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authorJakob Kaivo <jkk@ung.org>2019-02-08 18:42:39 -0500
committerJakob Kaivo <jkk@ung.org>2019-02-08 18:42:39 -0500
commit7ef8a7379f7f7d09e71ccae2a0b688c3cd80423f (patch)
tree092ab0aed1769117fd7b28b8592f6f96b0e0d5af /src/nonstd/SYSCALL_NUMBER.c
parent6acf19370e8adff79cd83b257d3f04aeaf2a59dd (diff)
merge sources into single tree
Diffstat (limited to 'src/nonstd/SYSCALL_NUMBER.c')
-rw-r--r--src/nonstd/SYSCALL_NUMBER.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/nonstd/SYSCALL_NUMBER.c b/src/nonstd/SYSCALL_NUMBER.c
new file mode 100644
index 00000000..f37e4a21
--- /dev/null
+++ b/src/nonstd/SYSCALL_NUMBER.c
@@ -0,0 +1,8 @@
+#include <nonstd/syscall.h>
+
+#define SYSCALL_NUMBER(_var, _name, _notfound) long _var = _notfound
+
+ static int _var = -2; do { \
+ if (_var == -2) { (_var) = __libc(SYSCALL_LOOKUP)(_name); } \
+ if (_var == -1) { errno = ENOSYS; return (_notfound); } \
+ } while (0)