X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Fcompat.h;h=43b2223e43b84ad5c5dc373a8c327eb365fd32f4;hb=refs%2Fheads%2Fstable-2.5;hp=19d4da828b67cc793b056a46933d3b332c74b870;hpb=e92f3e285939848f248af08f11a39a04a7fcf852;p=lttng-ust.git

diff --git a/liblttng-ust/compat.h b/liblttng-ust/compat.h
index 19d4da82..43b2223e 100644
--- a/liblttng-ust/compat.h
+++ b/liblttng-ust/compat.h
@@ -19,17 +19,52 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include <sys/syscall.h>
+/*
+ * lttng_ust_getprocname.
+ */
+#ifdef __linux__
+
+#include <sys/prctl.h>
+
+#define LTTNG_UST_PROCNAME_LEN 17
+
+static inline
+void lttng_ust_getprocname(char *name)
+{
+	(void) prctl(PR_GET_NAME, (unsigned long) name, 0, 0, 0);
+}
+
+#elif defined(__FreeBSD__)
+#include <stdlib.h>
+#include <string.h>
 
-#ifdef __UCLIBC__
-#define __getcpu(cpu, node, cache)	syscall(__NR_getcpu, cpu, node, cache)
+/*
+ * Limit imposed by Linux UST-sessiond ABI.
+ */
+#define LTTNG_UST_PROCNAME_LEN 17
+
+/*
+ * Acts like linux prctl, the string is not necessarily 0-terminated if
+ * 16-byte long.
+ */
 static inline
-int sched_getcpu(void)
+void lttng_ust_getprocname(char *name)
 {
-	int c, s;
+	const char *bsd_name;
 
-	s = __getcpu(&c, NULL, NULL);
-	return (s == -1) ? s : c;
+	bsd_name = getprogname();
+	if (!bsd_name)
+		name[0] = '\0';
+	else
+		strncpy(name, bsd_name, LTTNG_UST_PROCNAME_LEN - 1);
 }
-#endif	/* __UCLIBC__ */
+
+#endif
+
+#include <errno.h>
+
+#ifndef ENODATA
+#define ENODATA	ENOMSG
+#endif
+
 #endif /* _UST_COMPAT_H */