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sem* and msg* for qemu, part1, by Kirill Shutemov. 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2382 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-02-02 22:05:00 +00:00
parent b49d07ba03
commit fa2948167f
1 changed files with 24 additions and 0 deletions
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24
linux-user/syscall.c
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@ -42,6 +42,7 @@
#include <sys/poll.h> #include <sys/poll.h>
#include <sys/times.h> #include <sys/times.h>
#include <sys/shm.h> #include <sys/shm.h>
#include <sys/sem.h>
#include <sys/statfs.h> #include <sys/statfs.h>
#include <utime.h> #include <utime.h>
#include <sys/sysinfo.h> #include <sys/sysinfo.h>
@ -1114,6 +1115,12 @@ static struct shm_region {
uint32_t size; uint32_t size;
} shm_regions[N_SHM_REGIONS]; } shm_regions[N_SHM_REGIONS];
union semun {
int val;
struct senid_ds *buf;
unsigned short *array;
};
/* ??? This only works with linear mappings. */ /* ??? This only works with linear mappings. */
static long do_ipc(long call, long first, long second, long third, static long do_ipc(long call, long first, long second, long third,
long ptr, long fifth) long ptr, long fifth)
@ -1128,6 +1135,23 @@ static long do_ipc(long call, long first, long second, long third,
call &= 0xffff; call &= 0xffff;
switch (call) { switch (call) {
case IPCOP_semop:
ret = get_errno(semop(first,(struct sembuf *) ptr, second));
break;
case IPCOP_semget:
ret = get_errno(semget(first, second, third));
break;
case IPCOP_semctl:
ret = get_errno(semctl(first, second, third, ((union semun*)ptr)->val));
break;
case IPCOP_semtimedop:
gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
ret = -ENOSYS;
break;
case IPCOP_shmat: case IPCOP_shmat:
/* SHM_* flags are the same on all linux platforms */ /* SHM_* flags are the same on all linux platforms */
ret = get_errno((long) shmat(first, (void *) ptr, second)); ret = get_errno((long) shmat(first, (void *) ptr, second));