projects / wasi-libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 320054e8 DG |
1 | #include <sys/shm.h> |
| 2 | #include <endian.h> | |
| 3 | #include "syscall.h" | |
| 4 | #include "ipc.h" | |
| 5 | ||
| 6 | #if __BYTE_ORDER != __BIG_ENDIAN | |
| 7 | #undef SYSCALL_IPC_BROKEN_MODE | |
| 8 | #endif | |
| 9 | ||
| 10 | int shmctl(int id, int cmd, struct shmid_ds *buf) | |
| 11 | { | |
| 12 | #ifdef SYSCALL_IPC_BROKEN_MODE | |
| 13 | struct shmid_ds tmp; | |
| 14 | if (cmd == IPC_SET) { | |
| 15 | tmp = *buf; | |
| 16 | tmp.shm_perm.mode *= 0x10000U; | |
| 17 | buf = &tmp; | |
| 18 | } | |
| 19 | #endif | |
| d4db3fa2 | 20 | #ifndef SYS_ipc |
| 79a9b408 | 21 | int r = __syscall(SYS_shmctl, id, IPC_CMD(cmd), buf); |
| 320054e8 | 22 | #else |
| 79a9b408 | 23 | int r = __syscall(SYS_ipc, IPCOP_shmctl, id, IPC_CMD(cmd), 0, buf, 0); |
| 320054e8 DG |
24 | #endif |
| 25 | #ifdef SYSCALL_IPC_BROKEN_MODE | |
| 79a9b408 | 26 | if (r >= 0) switch (cmd | IPC_TIME64) { |
| 320054e8 DG |
27 | case IPC_STAT: |
| 28 | case SHM_STAT: | |
| 29 | case SHM_STAT_ANY: | |
| 30 | buf->shm_perm.mode >>= 16; | |
| 31 | } | |
| 79a9b408 DG |
32 | #endif |
| 33 | #if IPC_TIME64 | |
| 34 | if (r >= 0 && (cmd&IPC_TIME64)) { | |
| 35 | IPC_HILO(buf, shm_atime); | |
| 36 | IPC_HILO(buf, shm_dtime); | |
| 37 | IPC_HILO(buf, shm_ctime); | |
| 38 | } | |
| 320054e8 DG |
39 | #endif |
| 40 | return __syscall_ret(r); | |
| 41 | } |