diff options
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 28 |
1 files changed, 11 insertions, 17 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 1211e759c2..945fc25279 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -388,14 +388,7 @@ static bitmask_transtbl fcntl_flags_tbl[] = { { 0, 0, 0, 0 } }; -static int sys_getcwd1(char *buf, size_t size) -{ - if (getcwd(buf, size) == NULL) { - /* getcwd() sets errno */ - return (-1); - } - return strlen(buf)+1; -} +_syscall2(int, sys_getcwd1, char *, buf, size_t, size) #ifdef TARGET_NR_utimensat #if defined(__NR_utimensat) @@ -8868,7 +8861,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, unlock_user(p, arg1, 0); if (arg3) { puts = &uts; - target_to_host_timespec(puts, arg3); + if (target_to_host_timespec(puts, arg3)) { + return -TARGET_EFAULT; + } } else { puts = NULL; } @@ -11831,16 +11826,15 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, target_to_host_timespec(&ts, arg3); ret = get_errno(safe_clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL)); - if (arg4) + /* + * if the call is interrupted by a signal handler, it fails + * with error -TARGET_EINTR and if arg4 is not NULL and arg2 is not + * TIMER_ABSTIME, it returns the remaining unslept time in arg4. + */ + if (ret == -TARGET_EINTR && arg4 && arg2 != TIMER_ABSTIME) { host_to_target_timespec(arg4, &ts); - -#if defined(TARGET_PPC) - /* clock_nanosleep is odd in that it returns positive errno values. - * On PPC, CR0 bit 3 should be set in such a situation. */ - if (ret && ret != -TARGET_ERESTARTSYS) { - ((CPUPPCState *)cpu_env)->crf[0] |= 1; } -#endif + return ret; } #endif |