#define _COMPAT_PTHREAD_H
#include <pthread.h>
-#include <errno.h>
+#include <common/compat/errno.h>
+#include <string.h>
+
+#ifdef __FreeBSD__
+#include <pthread_np.h>
+#endif
+
+#define LTTNG_PTHREAD_NAMELEN 16
#if defined(HAVE_PTHREAD_SETNAME_NP_WITH_TID)
static inline
int lttng_pthread_setname_np(const char *name)
{
+ /*
+ * Some implementations don't error out, replicate this behavior for
+ * consistency.
+ */
+ if (strnlen(name, LTTNG_PTHREAD_NAMELEN) >= LTTNG_PTHREAD_NAMELEN) {
+ return ERANGE;
+ }
+
return pthread_setname_np(pthread_self(), name);
}
#elif defined(HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID)
{
return pthread_setname_np(name);
}
+#elif defined(HAVE_PTHREAD_SET_NAME_NP_WITH_TID)
+
+static inline
+int lttng_pthread_setname_np(const char *name)
+{
+ /* Replicate pthread_setname_np's behavior. */
+ if (strnlen(name, LTTNG_PTHREAD_NAMELEN) >= LTTNG_PTHREAD_NAMELEN) {
+ return ERANGE;
+ }
+
+ pthread_set_name_np(pthread_self(), name);
+ return 0;
+}
+#elif defined(__linux__)
+
+/* Fallback on prtctl on Linux */
+#include <sys/prctl.h>
+
+static inline
+int lttng_pthread_setname_np(const char *name)
+{
+ /* Replicate pthread_setname_np's behavior. */
+ if (strnlen(name, LTTNG_UST_ABI_PROCNAME_LEN) >= LTTNG_UST_ABI_PROCNAME_LEN) {
+ return ERANGE;
+ }
+ return prctl(PR_SET_NAME, name, 0, 0, 0);
+}
#else
/*
* For platforms without thread name support, do nothing.
}
#endif
+
+#if defined(HAVE_PTHREAD_GETNAME_NP_WITH_TID)
+static inline
+int lttng_pthread_getname_np(char *name, size_t len)
+{
+ return pthread_getname_np(pthread_self(), name, len);
+}
+#elif defined(HAVE_PTHREAD_GETNAME_NP_WITHOUT_TID)
+static inline
+int lttng_pthread_getname_np(char *name, size_t len)
+{
+ return pthread_getname_np(name, len);
+}
+#elif defined(HAVE_PTHREAD_GET_NAME_NP_WITH_TID)
+static inline
+int lttng_pthread_getname_np(char *name, size_t len)
+{
+ pthread_get_name_np(pthread_self(), name, len);
+ return 0;
+}
+#elif defined(__linux__)
+
+/* Fallback on prtctl on Linux */
+#include <sys/prctl.h>
+
+static inline
+int lttng_pthread_getname_np(char *name, size_t len)
+{
+ return prctl(PR_GET_NAME, name, 0, 0, 0);
+}
+#else
+/*
+ * For platforms without thread name support, do nothing.
+ */
+static inline
+int lttng_pthread_getname_np(char *name, size_t len)
+{
+ return -ENOSYS;
+}
+#endif
+
#endif /* _COMPAT_PTHREAD_H */