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thread-posix: add support for setting threads name on OpenBSD
Make use of pthread_set_name_np() to be able to set the threads name on OpenBSD. Signed-off-by: Brad Smith <brad@comstyle.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <Y57NrCmPTVSXLWC4@humpty.home.comstyle.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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12
meson.build
12
meson.build
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@ -2133,6 +2133,18 @@ config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_pre
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pthread_create(&thread, 0, f, 0);
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pthread_create(&thread, 0, f, 0);
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return 0;
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return 0;
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}''', dependencies: threads))
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}''', dependencies: threads))
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config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
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#include <pthread.h>
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#include <pthread_np.h>
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static void *f(void *p) { return NULL; }
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int main(void)
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{
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pthread_t thread;
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pthread_create(&thread, 0, f, 0);
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pthread_set_name_np(thread, "QEMU");
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return 0;
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}''', dependencies: threads))
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config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
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config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
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#include <pthread.h>
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#include <pthread.h>
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#include <time.h>
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#include <time.h>
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@ -18,6 +18,10 @@
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#include "qemu/tsan.h"
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#include "qemu/tsan.h"
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#include "qemu/bitmap.h"
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#include "qemu/bitmap.h"
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#ifdef CONFIG_PTHREAD_SET_NAME_NP
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#include <pthread_np.h>
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#endif
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static bool name_threads;
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static bool name_threads;
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void qemu_thread_naming(bool enable)
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void qemu_thread_naming(bool enable)
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@ -25,7 +29,8 @@ void qemu_thread_naming(bool enable)
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name_threads = enable;
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name_threads = enable;
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#if !defined CONFIG_PTHREAD_SETNAME_NP_W_TID && \
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#if !defined CONFIG_PTHREAD_SETNAME_NP_W_TID && \
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!defined CONFIG_PTHREAD_SETNAME_NP_WO_TID
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!defined CONFIG_PTHREAD_SETNAME_NP_WO_TID && \
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!defined CONFIG_PTHREAD_SET_NAME_NP
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/* This is a debugging option, not fatal */
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/* This is a debugging option, not fatal */
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if (enable) {
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if (enable) {
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fprintf(stderr, "qemu: thread naming not supported on this host\n");
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fprintf(stderr, "qemu: thread naming not supported on this host\n");
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@ -480,6 +485,8 @@ static void *qemu_thread_start(void *args)
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pthread_setname_np(pthread_self(), qemu_thread_args->name);
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pthread_setname_np(pthread_self(), qemu_thread_args->name);
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# elif defined(CONFIG_PTHREAD_SETNAME_NP_WO_TID)
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# elif defined(CONFIG_PTHREAD_SETNAME_NP_WO_TID)
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pthread_setname_np(qemu_thread_args->name);
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pthread_setname_np(qemu_thread_args->name);
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# elif defined(CONFIG_PTHREAD_SET_NAME_NP)
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pthread_set_name_np(pthread_self(), qemu_thread_args->name);
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# endif
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# endif
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}
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}
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QEMU_TSAN_ANNOTATE_THREAD_NAME(qemu_thread_args->name);
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QEMU_TSAN_ANNOTATE_THREAD_NAME(qemu_thread_args->name);
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