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util/compatfd.c: use libc signalfd wrapper instead of raw syscall

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This allows the use of native signalfd instead of the sigtimedwait
based emulation on systems other than Linux.

Signed-off-by: Kacper Słomiński <kacper.slominski72@gmail.com>
Message-Id: <20210905011621.200785-1-kacper.slominski72@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Kacper Słomiński 2021-09-05 03:16:22 +02:00 • committed by Paolo Bonzini
parent ecc00666a0
commit 6bd17dccb6
2 changed files with 5 additions and 7 deletions
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5
util/compatfd.c
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@ -17,7 +17,7 @@
#include "qemu/thread.h"
#if defined(CONFIG_SIGNALFD)
#include <sys/syscall.h>
#include <sys/signalfd.h>
#endif
struct sigfd_compat_info {
@ -96,9 +96,8 @@ int qemu_signalfd(const sigset_t *mask)
#if defined(CONFIG_SIGNALFD)
int ret;
ret = syscall(SYS_signalfd, -1, mask, _NSIG / 8);
ret = signalfd(-1, mask, SFD_CLOEXEC);
if (ret != -1) {
qemu_set_cloexec(ret);
return ret;
}
#endif