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| author | Rich Felker <dalias@aerifal.cx> | 2011-02-12 00:22:29 -0500 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-02-12 00:22:29 -0500 |
| commit | 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 (patch) | |
| tree | 6eaef0d8a720fa3da580de87b647fff796fe80b3 /src/ipc/shmat.c | |
| download | musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.tar.gz musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.tar.xz musl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.zip | |
initial check-in, version 0.5.0 v0.5.0
Diffstat (limited to 'src/ipc/shmat.c')
| -rw-r--r-- | src/ipc/shmat.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/ipc/shmat.c b/src/ipc/shmat.c new file mode 100644 index 00000000..ff65b6a4 --- /dev/null +++ b/src/ipc/shmat.c @@ -0,0 +1,17 @@ +#include <sys/shm.h> +#include "syscall.h" +#include "ipc.h" + +#ifdef __NR_shmat +void *shmat(int id, const void *addr, int flag) +{ + return syscall3(__NR_shmat, id, (long)addr, flag); +} +#else +void *shmat(int id, const void *addr, int flag) +{ + unsigned long ret; + ret = syscall5(__NR_ipc, IPCOP_shmat, id, flag, (long)&addr, (long)addr); + return (ret > -(unsigned long)SHMLBA) ? (void *)ret : (void *)addr; +} +#endif |