From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 12 Feb 2011 00:22:29 -0500 Subject: initial check-in, version 0.5.0 --- src/ipc/semctl.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 src/ipc/semctl.c (limited to 'src/ipc/semctl.c') diff --git a/src/ipc/semctl.c b/src/ipc/semctl.c new file mode 100644 index 00000000..7ada116b --- /dev/null +++ b/src/ipc/semctl.c @@ -0,0 +1,18 @@ +#include +#include +#include "syscall.h" +#include "ipc.h" + +int semctl(int id, int num, int cmd, ...) +{ + long arg; + va_list ap; + va_start(ap, cmd); + arg = va_arg(ap, long); + va_end(ap); +#ifdef __NR_semctl + return syscall4(__NR_semctl, id, num, cmd, arg); +#else + return syscall5(__NR_ipc, IPCOP_semctl, id, num, cmd | 0x100, (long)&arg); +#endif +} -- cgit v1.2.1