merge XOPEN identifiers

68 files changed, 467 insertions, 0 deletions

diff --git a/src/signal/BUS_ADRALN.c b/src/signal/BUS_ADRALN.c
new file mode 100644
index 00000000..53cf12fd
--- /dev/null
+++ b/src/signal/BUS_ADRALN.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define BUS_ADRALN                                                           (1)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/BUS_ADRERR.c b/src/signal/BUS_ADRERR.c
new file mode 100644
index 00000000..78e8a412
--- /dev/null
+++ b/src/signal/BUS_ADRERR.c
@@ -0,0 +1,7 @@
+#include <signal.h>
+#define BUS_ADRERR                                                           (2)
+
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/BUS_OBJERR.c b/src/signal/BUS_OBJERR.c
new file mode 100644
index 00000000..c2de05c3
--- /dev/null
+++ b/src/signal/BUS_OBJERR.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define BUS_OBJERR                                                           (3)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/CLD_CONTINUED.c b/src/signal/CLD_CONTINUED.c
new file mode 100644
index 00000000..f5784d17
--- /dev/null
+++ b/src/signal/CLD_CONTINUED.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define CLD_CONTINUED                                                        (6)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/CLD_DUMPED.c b/src/signal/CLD_DUMPED.c
new file mode 100644
index 00000000..c1bb5959
--- /dev/null
+++ b/src/signal/CLD_DUMPED.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define CLD_DUMPED                                                           (3)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/CLD_EXITED.c b/src/signal/CLD_EXITED.c
new file mode 100644
index 00000000..4a3f12e3
--- /dev/null
+++ b/src/signal/CLD_EXITED.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define CLD_EXITED                                                           (1)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/CLD_KILLED.c b/src/signal/CLD_KILLED.c
new file mode 100644
index 00000000..fc30db5a
--- /dev/null
+++ b/src/signal/CLD_KILLED.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define CLD_KILLED                                                           (2)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/CLD_STOPPED.c b/src/signal/CLD_STOPPED.c
new file mode 100644
index 00000000..4af54087
--- /dev/null
+++ b/src/signal/CLD_STOPPED.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define CLD_STOPPED                                                          (5)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/CLD_TRAPPED.c b/src/signal/CLD_TRAPPED.c
new file mode 100644
index 00000000..8a489cc1
--- /dev/null
+++ b/src/signal/CLD_TRAPPED.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define CLD_TRAPPED                                                          (4)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/FPE_FLTDIV.c b/src/signal/FPE_FLTDIV.c
new file mode 100644
index 00000000..4246fbae
--- /dev/null
+++ b/src/signal/FPE_FLTDIV.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define FPE_FLTDIV                                                           (3)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/FPE_FLTINV.c b/src/signal/FPE_FLTINV.c
new file mode 100644
index 00000000..4ec39a65
--- /dev/null
+++ b/src/signal/FPE_FLTINV.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define FPE_FLTINV                                                           (7)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/FPE_FLTOVF.c b/src/signal/FPE_FLTOVF.c
new file mode 100644
index 00000000..7ee7bfb9
--- /dev/null
+++ b/src/signal/FPE_FLTOVF.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define FPE_FLTOVF                                                           (4)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/FPE_FLTRES.c b/src/signal/FPE_FLTRES.c
new file mode 100644
index 00000000..021fa4d7
--- /dev/null
+++ b/src/signal/FPE_FLTRES.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define FPE_FLTRES                                                           (6)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/FPE_FLTSUB.c b/src/signal/FPE_FLTSUB.c
new file mode 100644
index 00000000..befd9165
--- /dev/null
+++ b/src/signal/FPE_FLTSUB.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define FPE_FLTSUB                                                           (8)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/FPE_FLTUND.c b/src/signal/FPE_FLTUND.c
new file mode 100644
index 00000000..613aeb20
--- /dev/null
+++ b/src/signal/FPE_FLTUND.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define FPE_FLTUND                                                           (5)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/FPE_INTDIV.c b/src/signal/FPE_INTDIV.c
new file mode 100644
index 00000000..8cc9bc51
--- /dev/null
+++ b/src/signal/FPE_INTDIV.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define FPE_INTDIV                                                           (1)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/FPE_INTOVF.c b/src/signal/FPE_INTOVF.c
new file mode 100644
index 00000000..c18a793b
--- /dev/null
+++ b/src/signal/FPE_INTOVF.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define FPE_INTOVF                                                           (2)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/ILL_BADSTK.c b/src/signal/ILL_BADSTK.c
new file mode 100644
index 00000000..c82eeb5a
--- /dev/null
+++ b/src/signal/ILL_BADSTK.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define ILL_BADSTK                                                           (8)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/ILL_COPROC.c b/src/signal/ILL_COPROC.c
new file mode 100644
index 00000000..330efbc5
--- /dev/null
+++ b/src/signal/ILL_COPROC.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define ILL_COPROC                                                           (7)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/ILL_ILLADR.c b/src/signal/ILL_ILLADR.c
new file mode 100644
index 00000000..97acf732
--- /dev/null
+++ b/src/signal/ILL_ILLADR.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define ILL_ILLADR                                                           (3)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/ILL_ILLOPC.c b/src/signal/ILL_ILLOPC.c
new file mode 100644
index 00000000..5e171c7c
--- /dev/null
+++ b/src/signal/ILL_ILLOPC.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define ILL_ILLOPC                                                           (1)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/ILL_ILLOPN.c b/src/signal/ILL_ILLOPN.c
new file mode 100644
index 00000000..95c20186
--- /dev/null
+++ b/src/signal/ILL_ILLOPN.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define ILL_ILLOPN                                                           (2)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/ILL_ILLTRP.c b/src/signal/ILL_ILLTRP.c
new file mode 100644
index 00000000..81624edd
--- /dev/null
+++ b/src/signal/ILL_ILLTRP.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define ILL_ILLTRP                                                           (4)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/ILL_PRVOPC.c b/src/signal/ILL_PRVOPC.c
new file mode 100644
index 00000000..80d7575a
--- /dev/null
+++ b/src/signal/ILL_PRVOPC.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define ILL_PRVOPC                                                           (5)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/ILL_PRVREG.c b/src/signal/ILL_PRVREG.c
new file mode 100644
index 00000000..d724ac77
--- /dev/null
+++ b/src/signal/ILL_PRVREG.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define ILL_PRVREG                                                           (6)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/MINSIGSTKSZ.c b/src/signal/MINSIGSTKSZ.c
new file mode 100644
index 00000000..da35b658
--- /dev/null
+++ b/src/signal/MINSIGSTKSZ.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define MINSIGSTKSZ                                                       (1024)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/POLL_ERR.c b/src/signal/POLL_ERR.c
new file mode 100644
index 00000000..11e5e95f
--- /dev/null
+++ b/src/signal/POLL_ERR.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define POLL_ERR                                                             (4)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/POLL_HUP.c b/src/signal/POLL_HUP.c
new file mode 100644
index 00000000..440fc631
--- /dev/null
+++ b/src/signal/POLL_HUP.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define POLL_HUP                                                             (6)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/POLL_IN.c b/src/signal/POLL_IN.c
new file mode 100644
index 00000000..cfc2096f
--- /dev/null
+++ b/src/signal/POLL_IN.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define POLL_IN                                                              (1)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/POLL_MSG.c b/src/signal/POLL_MSG.c
new file mode 100644
index 00000000..fda34d14
--- /dev/null
+++ b/src/signal/POLL_MSG.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define POLL_MSG                                                             (3)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/POLL_OUT.c b/src/signal/POLL_OUT.c
new file mode 100644
index 00000000..8d8648c0
--- /dev/null
+++ b/src/signal/POLL_OUT.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define POLL_OUT                                                             (2)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/POLL_PRI.c b/src/signal/POLL_PRI.c
new file mode 100644
index 00000000..f46fa1c4
--- /dev/null
+++ b/src/signal/POLL_PRI.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define POLL_PRI                                                             (5)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/SA_NOCLDWAIT.c b/src/signal/SA_NOCLDWAIT.c
new file mode 100644
index 00000000..10640682
--- /dev/null
+++ b/src/signal/SA_NOCLDWAIT.c
@@ -0,0 +1,7 @@
+#include <signal.h>
+#define SA_NOCLDWAIT                                                      (1<<5)
+/*
+XOPEN(400)
+POSIX(200809)
+NOTE: the text and history don't seem to agree on this for posix
+*/
diff --git a/src/signal/SA_NODEFER.c b/src/signal/SA_NODEFER.c
new file mode 100644
index 00000000..d5a1e77d
--- /dev/null
+++ b/src/signal/SA_NODEFER.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define SA_NODEFER                                                        (1<<6)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/SA_ONSTACK.c b/src/signal/SA_ONSTACK.c
new file mode 100644
index 00000000..2866fef9
--- /dev/null
+++ b/src/signal/SA_ONSTACK.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define SA_ONSTACK                                                        (1<<1)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/SA_RESETHAND.c b/src/signal/SA_RESETHAND.c
new file mode 100644
index 00000000..b3bf5fa6
--- /dev/null
+++ b/src/signal/SA_RESETHAND.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define SA_RESETHAND                                                      (1<<2)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/SA_RESTART.c b/src/signal/SA_RESTART.c
new file mode 100644
index 00000000..efc0c0b9
--- /dev/null
+++ b/src/signal/SA_RESTART.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define SA_RESTART                                                        (1<<3)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/SA_SIGINFO.c b/src/signal/SA_SIGINFO.c
new file mode 100644
index 00000000..749e6a5f
--- /dev/null
+++ b/src/signal/SA_SIGINFO.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define SA_SIGINFO                                                        (1<<4)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/SEGV_ACCERR.c b/src/signal/SEGV_ACCERR.c
new file mode 100644
index 00000000..9451551f
--- /dev/null
+++ b/src/signal/SEGV_ACCERR.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define SEGV_ACCERR                                                          (2)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/SEGV_MAPERR.c b/src/signal/SEGV_MAPERR.c
new file mode 100644
index 00000000..9466d052
--- /dev/null
+++ b/src/signal/SEGV_MAPERR.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define SEGV_MAPERR                                                          (1)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/SIGBUS.c b/src/signal/SIGBUS.c
new file mode 100644
index 00000000..5757ac15
--- /dev/null
+++ b/src/signal/SIGBUS.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define SIGBUS                                                              (12)
+/*
+XOPEN(400)
+POSIX(199309)
+*/
diff --git a/src/signal/SIGPOLL.c b/src/signal/SIGPOLL.c
new file mode 100644
index 00000000..f80e4d57
--- /dev/null
+++ b/src/signal/SIGPOLL.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define SIGPOLL                                                             (23)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/SIGPROF.c b/src/signal/SIGPROF.c
new file mode 100644
index 00000000..459c6835
--- /dev/null
+++ b/src/signal/SIGPROF.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define SIGPROF                                                             (24)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/SIGSTKSZ.c b/src/signal/SIGSTKSZ.c
new file mode 100644
index 00000000..d9f40492
--- /dev/null
+++ b/src/signal/SIGSTKSZ.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define SIGSTKSZ                                                          (1024)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/SIGSYS.c b/src/signal/SIGSYS.c
new file mode 100644
index 00000000..442af153
--- /dev/null
+++ b/src/signal/SIGSYS.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define SIGSYS                                                              (25)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/SIGTRAP.c b/src/signal/SIGTRAP.c
new file mode 100644
index 00000000..acc24be9
--- /dev/null
+++ b/src/signal/SIGTRAP.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define SIGTRAP                                                             (26)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/SIGURG.c b/src/signal/SIGURG.c
new file mode 100644
index 00000000..8bfaf929
--- /dev/null
+++ b/src/signal/SIGURG.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define SIGURG                                                              (27)
+/*
+XOPEN(400)
+POSIX(200112)
+*/
diff --git a/src/signal/SIGVTALRM.c b/src/signal/SIGVTALRM.c
new file mode 100644
index 00000000..6df66cad
--- /dev/null
+++ b/src/signal/SIGVTALRM.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define SIGVTALRM                                                           (28)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/SIGXCPU.c b/src/signal/SIGXCPU.c
new file mode 100644
index 00000000..3630d977
--- /dev/null
+++ b/src/signal/SIGXCPU.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define SIGXCPU                                                             (29)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/SIGXFSZ.c b/src/signal/SIGXFSZ.c
new file mode 100644
index 00000000..663e383f
--- /dev/null
+++ b/src/signal/SIGXFSZ.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define SIGXFSZ                                                             (30)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/SS_DISABLE.c b/src/signal/SS_DISABLE.c
new file mode 100644
index 00000000..2a048cfd
--- /dev/null
+++ b/src/signal/SS_DISABLE.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define SS_DISABLE                                                        (1<<8)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/SS_ONSTACK.c b/src/signal/SS_ONSTACK.c
new file mode 100644
index 00000000..c9939859
--- /dev/null
+++ b/src/signal/SS_ONSTACK.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define SS_ONSTACK                                                        (1<<7)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/TRAP_BRKPT.c b/src/signal/TRAP_BRKPT.c
new file mode 100644
index 00000000..029e868b
--- /dev/null
+++ b/src/signal/TRAP_BRKPT.c
@@ -0,0 +1,5 @@
+#include <signal.h>
+#define TRAP_BRKPT                                                           (1)
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/TRAP_TRACE.c b/src/signal/TRAP_TRACE.c
new file mode 100644
index 00000000..cacee48e
--- /dev/null
+++ b/src/signal/TRAP_TRACE.c
@@ -0,0 +1,6 @@
+#include <signal.h>
+#define TRAP_TRACE                                                           (2)
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/bsd_signal.c b/src/signal/bsd_signal.c
new file mode 100644
index 00000000..148029c0
--- /dev/null
+++ b/src/signal/bsd_signal.c
@@ -0,0 +1,21 @@
+#include <signal.h>
+
+void (*bsd_signal(int sig, void (*func)(int)))(int)
+{
+	struct sigaction act, oact;
+	act.sa_handler = func;
+	act.sa_flags = SA_RESTART;
+
+	sigemptyset(&act.sa_mask);
+	sigaddset(&act.sa_mask, sig);
+
+	if (sigaction(sig, &act, &oact) == -1) {
+		return SIG_ERR;
+	}
+
+	return oact.sa_handler;
+}
+
+/*
+XOPEN(400,700)
+*/
diff --git a/src/signal/killpg.c b/src/signal/killpg.c
new file mode 100644
index 00000000..4f56544e
--- /dev/null
+++ b/src/signal/killpg.c
@@ -0,0 +1,10 @@
+#include <signal.h>
+
+int killpg(pid_t pgrp, int sig)
+{
+	return 0;
+}
+
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/sigaltstack.c b/src/signal/sigaltstack.c
new file mode 100644
index 00000000..068d9e38
--- /dev/null
+++ b/src/signal/sigaltstack.c
@@ -0,0 +1,10 @@
+#include <signal.h>
+
+int sigaltstack(const stack_t * restrict ss, stack_t * restrict oss)
+{
+	return 0;
+}
+
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/sighold.c b/src/signal/sighold.c
new file mode 100644
index 00000000..1c5b0c20
--- /dev/null
+++ b/src/signal/sighold.c
@@ -0,0 +1,10 @@
+#include <signal.h>
+
+int sighold(int sig)
+{
+	return 0;
+}
+
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/sigignore.c b/src/signal/sigignore.c
new file mode 100644
index 00000000..9c5c62ae
--- /dev/null
+++ b/src/signal/sigignore.c
@@ -0,0 +1,10 @@
+#include <signal.h>
+
+int sigignore(int sig)
+{
+	return 0;
+}
+
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/siginfo_t.c b/src/signal/siginfo_t.c
new file mode 100644
index 00000000..0a0e907b
--- /dev/null
+++ b/src/signal/siginfo_t.c
@@ -0,0 +1,18 @@
+#include <signal.h>
+
+typedef struct {
+	int si_signo;
+	int si_code;
+	pid_t si_pid;
+	uid_t si_uid;
+	void *si_addr;
+	int si_status;
+	long si_band;
+	int si_errno;
+	union sigval si_value;
+} siginfo_t;
+
+/*
+XOPEN(400)
+POSIX(200112)
+*/
diff --git a/src/signal/siginterrupt.c b/src/signal/siginterrupt.c
new file mode 100644
index 00000000..283bd65c
--- /dev/null
+++ b/src/signal/siginterrupt.c
@@ -0,0 +1,10 @@
+#include <signal.h>
+
+int siginterrupt(int sig, int flag)
+{
+	return 0;
+}
+
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/sigmask.c b/src/signal/sigmask.c
new file mode 100644
index 00000000..030e51ab
--- /dev/null
+++ b/src/signal/sigmask.c
@@ -0,0 +1,9 @@
+#include <signal.h>
+
+int sigmask(int signum)
+{
+}
+
+/*
+XOPEN(400,500)
+*/
diff --git a/src/signal/sigpause.c b/src/signal/sigpause.c
new file mode 100644
index 00000000..43ad7489
--- /dev/null
+++ b/src/signal/sigpause.c
@@ -0,0 +1,10 @@
+#include <signal.h>
+
+int sigpause(int sig)
+{
+	return 0;
+}
+
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/sigrelse.c b/src/signal/sigrelse.c
new file mode 100644
index 00000000..c9c76852
--- /dev/null
+++ b/src/signal/sigrelse.c
@@ -0,0 +1,10 @@
+#include <signal.h>
+
+int sigrelse(int sig)
+{
+	return 0;
+}
+
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/sigset.c b/src/signal/sigset.c
new file mode 100644
index 00000000..88dfecc3
--- /dev/null
+++ b/src/signal/sigset.c
@@ -0,0 +1,10 @@
+#include <signal.h>
+
+void (*sigset(int sig, void (*disp)(int)))(int)
+{
+	return ((void*)(int)0);
+}
+
+/*
+XOPEN(400)
+*/
diff --git a/src/signal/sigstack.c b/src/signal/sigstack.c
new file mode 100644
index 00000000..c7ed9c5c
--- /dev/null
+++ b/src/signal/sigstack.c
@@ -0,0 +1,10 @@
+#include <signal.h>
+
+int sigstack(struct sigstack *ss, struct sigstack *oss)
+{
+	return 0;
+}
+
+/*
+XOPEN(400,600)
+*/
diff --git a/src/signal/stack_t.c b/src/signal/stack_t.c
new file mode 100644
index 00000000..28226941
--- /dev/null
+++ b/src/signal/stack_t.c
@@ -0,0 +1,12 @@
+#include <signal.h>
+
+typedef struct {
+	void *ss_sp;	/* Stack base or pointer */
+	size_t ss_size;	/* Stack size */
+	int ss_flags;	/* Flags */
+} stack_t;
+
+/*
+XOPEN(400)
+POSIX(200809)
+*/
diff --git a/src/signal/struct_sigstack.c b/src/signal/struct_sigstack.c
new file mode 100644
index 00000000..1db4edba
--- /dev/null
+++ b/src/signal/struct_sigstack.c
@@ -0,0 +1,10 @@
+#include <signal.h>
+
+struct sigstack {
+	int ss_onstack;
+	void *ss_sp;
+};
+
+/*
+XOPEN(400,700)
+*/