diff options
| -rw-r--r-- | src/signal/sigaddset.c | 7 | ||||
| -rw-r--r-- | src/signal/sigdelset.c | 7 | ||||
| -rw-r--r-- | src/signal/sigemptyset.c | 3 | ||||
| -rw-r--r-- | src/signal/sigfillset.c | 4 | ||||
| -rw-r--r-- | src/signal/sigismember.c | 9 |
5 files changed, 25 insertions, 5 deletions
diff --git a/src/signal/sigaddset.c b/src/signal/sigaddset.c index 81b408f3..fae413e1 100644 --- a/src/signal/sigaddset.c +++ b/src/signal/sigaddset.c @@ -1,9 +1,14 @@ #include "sys/types.h" #include <signal.h> +#include "limits.h" int sigaddset(sigset_t * set, int signo) { - (void)set; (void)signo; + /* TODO: fail with EINVAL if signo is not a valid signal number */ + size_t byte = signo % CHAR_BIT; + int bit = signo / CHAR_BIT; + + set->__bits[byte] |= (1 << bit); return 0; } /* diff --git a/src/signal/sigdelset.c b/src/signal/sigdelset.c index ca20cc43..bcd0d716 100644 --- a/src/signal/sigdelset.c +++ b/src/signal/sigdelset.c @@ -1,9 +1,14 @@ #include "sys/types.h" #include <signal.h> +#include "limits.h" int sigdelset(sigset_t * set, int signo) { - (void)set; (void)signo; + /* TODO: fail with EINVAL if signo is not a valid signal number */ + size_t byte = signo % CHAR_BIT; + int bit = signo / CHAR_BIT; + + set->__bits[byte] ^= (1 << bit); return 0; } /* diff --git a/src/signal/sigemptyset.c b/src/signal/sigemptyset.c index 2f579579..d09ff500 100644 --- a/src/signal/sigemptyset.c +++ b/src/signal/sigemptyset.c @@ -1,9 +1,10 @@ #include "sys/types.h" #include <signal.h> +#include "string.h" int sigemptyset(sigset_t * set) { - (void)set; + memset(set, 0, sizeof(*set)); return 0; } /* diff --git a/src/signal/sigfillset.c b/src/signal/sigfillset.c index 4530e42a..493912b3 100644 --- a/src/signal/sigfillset.c +++ b/src/signal/sigfillset.c @@ -1,9 +1,11 @@ #include "sys/types.h" #include <signal.h> +#include "string.h" +#include "limits.h" int sigfillset(sigset_t * set) { - (void)set; + memset(set, UCHAR_MAX, sizeof(*set)); return 0; } /* diff --git a/src/signal/sigismember.c b/src/signal/sigismember.c index 5e21cb5c..6d3c1512 100644 --- a/src/signal/sigismember.c +++ b/src/signal/sigismember.c @@ -1,9 +1,16 @@ #include "sys/types.h" #include <signal.h> +#include "limits.h" int sigismember(const sigset_t * set, int signo) { - (void)set; (void)signo; + /* TODO: fail with EINVAL if signo is not a valid signal number */ + + size_t byte = signo % CHAR_BIT; + int bit = signo / CHAR_BIT; + if (set->__bits[byte] & (1 << bit)) { + return 1; + } return 0; } /* |