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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 13:54:38 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 13:54:38 +0000 |
| commit | 8c1ab65c0f548d20b7f177bdb736daaf603340e1 (patch) | |
| tree | df55b7e75bf43f2bf500845b105afe3ac3a5157e /libc-top-half/musl/src/ipc/shmat.c | |
| parent | Initial commit. (diff) | |
| download | wasi-libc-upstream/0.0_git20221206.8b7148f.tar.xz wasi-libc-upstream/0.0_git20221206.8b7148f.zip | |
Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libc-top-half/musl/src/ipc/shmat.c')
| -rw-r--r-- | libc-top-half/musl/src/ipc/shmat.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/ipc/shmat.c b/libc-top-half/musl/src/ipc/shmat.c new file mode 100644 index 0000000..8c7407d --- /dev/null +++ b/libc-top-half/musl/src/ipc/shmat.c @@ -0,0 +1,17 @@ +#include <sys/shm.h> +#include "syscall.h" +#include "ipc.h" + +#ifndef SYS_ipc +void *shmat(int id, const void *addr, int flag) +{ + return (void *)syscall(SYS_shmat, id, addr, flag); +} +#else +void *shmat(int id, const void *addr, int flag) +{ + unsigned long ret; + ret = syscall(SYS_ipc, IPCOP_shmat, id, flag, &addr, addr); + return (ret > -(unsigned long)SHMLBA) ? (void *)ret : (void *)addr; +} +#endif |