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Use sigwait instead of sigwaitinfo.

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Fix compilation failure on Darwin.

Signed-off-by: Tristan Gingold <gingold@adacore.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Tristan Gingold 2011-02-18 14:17:16 +01:00 committed by Blue Swirl
parent 84803d7a27
commit 30faaf7073
1 changed files with 18 additions and 18 deletions
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36
compatfd.c
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@ -26,45 +26,45 @@ struct sigfd_compat_info
static void *sigwait_compat(void *opaque) static void *sigwait_compat(void *opaque)
{ {
struct sigfd_compat_info *info = opaque; struct sigfd_compat_info *info = opaque;
int err;
sigset_t all; sigset_t all;
sigfillset(&all); sigfillset(&all);
sigprocmask(SIG_BLOCK, &all, NULL); sigprocmask(SIG_BLOCK, &all, NULL);
do { while (1) {
siginfo_t siginfo; int sig;
int err;
err = sigwaitinfo(&info->mask, &siginfo); err = sigwait(&info->mask, &sig);
if (err == -1 && errno == EINTR) { if (err != 0) {
err = 0; if (errno == EINTR) {
continue; continue;
} } else {
return NULL;
if (err > 0) { }
char buffer[128]; } else {
struct qemu_signalfd_siginfo buffer;
size_t offset = 0; size_t offset = 0;
memcpy(buffer, &err, sizeof(err)); memset(&buffer, 0, sizeof(buffer));
buffer.ssi_signo = sig;
while (offset < sizeof(buffer)) { while (offset < sizeof(buffer)) {
ssize_t len; ssize_t len;
len = write(info->fd, buffer + offset, len = write(info->fd, (char *)&buffer + offset,
sizeof(buffer) - offset); sizeof(buffer) - offset);
if (len == -1 && errno == EINTR) if (len == -1 && errno == EINTR)
continue; continue;
if (len <= 0) { if (len <= 0) {
err = -1; return NULL;
break;
} }
offset += len; offset += len;
} }
} }
} while (err >= 0); }
return NULL;
} }
static int qemu_signalfd_compat(const sigset_t *mask) static int qemu_signalfd_compat(const sigset_t *mask)