diff options
Diffstat (limited to 'sys-libs/musl/files/musl-1.1.15-pthread_setname_np.patch')
-rw-r--r-- | sys-libs/musl/files/musl-1.1.15-pthread_setname_np.patch | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/sys-libs/musl/files/musl-1.1.15-pthread_setname_np.patch b/sys-libs/musl/files/musl-1.1.15-pthread_setname_np.patch deleted file mode 100644 index e7b2401..0000000 --- a/sys-libs/musl/files/musl-1.1.15-pthread_setname_np.patch +++ /dev/null @@ -1,64 +0,0 @@ - - -the thread name is displayed by gdb's "info threads". ---- -v1->v2: add _GNU_SOURCE, and "UL" to prctl arguments - -I hope that there are no programs for which this function is -performance critical... - -Thanks for the review so far! ---- - include/pthread.h | 1 + - src/thread/pthread_setname_np.c | 26 ++++++++++++++++++++++++++ - 2 files changed, 27 insertions(+) - create mode 100644 src/thread/pthread_setname_np.c - -diff --git a/include/pthread.h b/include/pthread.h -index 3d2e0c4..94ef919 100644 ---- a/include/pthread.h -+++ b/include/pthread.h -@@ -214,6 +214,7 @@ struct cpu_set_t; - int pthread_getaffinity_np(pthread_t, size_t, struct cpu_set_t *); - int pthread_setaffinity_np(pthread_t, size_t, const struct cpu_set_t *); - int pthread_getattr_np(pthread_t, pthread_attr_t *); -+int pthread_setname_np(pthread_t, const char *); - int pthread_tryjoin_np(pthread_t, void **); - int pthread_timedjoin_np(pthread_t, void **, const struct timespec *); - #endif -diff --git a/src/thread/pthread_setname_np.c b/src/thread/pthread_setname_np.c -new file mode 100644 -index 0000000..82d35e1 ---- /dev/null -+++ b/src/thread/pthread_setname_np.c -@@ -0,0 +1,26 @@ -+#define _GNU_SOURCE -+#include <fcntl.h> -+#include <string.h> -+#include <unistd.h> -+#include <sys/prctl.h> -+ -+#include "pthread_impl.h" -+ -+int pthread_setname_np(pthread_t thread, const char *name) -+{ -+ int fd, cs, status = 0; -+ char f[sizeof "/proc/self/task//comm" + 3*sizeof(int)]; -+ size_t len; -+ -+ if ((len = strnlen(name, 16)) > 15) return ERANGE; -+ -+ if (thread == pthread_self()) -+ return prctl(PR_SET_NAME, (unsigned long)name, 0UL, 0UL, 0UL) ? errno : 0; -+ -+ snprintf(f, sizeof f, "/proc/self/task/%d/comm", thread->tid); -+ pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs); -+ if ((fd = open(f, O_WRONLY)) < 0 || write(fd, name, len) < 0) status = errno; -+ if (fd >= 0) close(fd); -+ pthread_setcancelstate(cs, 0); -+ return status; -+} --- -2.7.3 - - |