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| author | Longpeng(Mike) | 2022-02-22 10:05:05 +0100 |
|---|---|---|
| committer | Paolo Bonzini | 2022-04-06 14:31:56 +0200 |
| commit | 657ac98b58cee10e99c9d402bda4555fd0ec4d1f (patch) | |
| tree | 8b26f839c378811d1eacb346f09e464996bd53a4 /meson.build | |
| parent | thread-posix: remove the posix semaphore support (diff) | |
| download | qemu-657ac98b58cee10e99c9d402bda4555fd0ec4d1f.tar.gz qemu-657ac98b58cee10e99c9d402bda4555fd0ec4d1f.tar.xz qemu-657ac98b58cee10e99c9d402bda4555fd0ec4d1f.zip | |
thread-posix: use monotonic clock for QemuCond and QemuSemaphore
Use CLOCK_MONOTONIC, so the timeout isn't affected by changes to
the system time. It depends on the pthread_condattr_setclock(),
while some systems(e.g. mac os) does not support it, so the behavior
won't change in these systems.
Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com>
Message-Id: <20220222090507.2028-3-longpeng2@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'meson.build')
| -rw-r--r-- | meson.build | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/meson.build b/meson.build index 526e9dc03b..6ba60950c8 100644 --- a/meson.build +++ b/meson.build @@ -1780,6 +1780,17 @@ config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_pre pthread_create(&thread, 0, f, 0); return 0; }''', dependencies: threads)) +config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + ''' + #include <pthread.h> + #include <time.h> + + int main(void) + { + pthread_condattr_t attr + pthread_condattr_init(&attr); + pthread_condattr_setclock(&attr, CLOCK_MONOTONIC); + return 0; + }''', dependencies: threads)) config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + ''' #include <sys/signalfd.h> |