X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=liblttng-ust%2Fcompat.h;fp=liblttng-ust%2Fcompat.h;h=05b85a930615516da7175af84661ce144f7d5127;hb=08114193d6fd56309b520ae50e7117b8bc7f34a5;hp=8ee4470a0b381289986e48742274fa287d835e1a;hpb=75181c4b1b6e046ae8561c486ced003a83b1a696;p=lttng-ust.git

diff --git a/liblttng-ust/compat.h b/liblttng-ust/compat.h
index 8ee4470a..05b85a93 100644
--- a/liblttng-ust/compat.h
+++ b/liblttng-ust/compat.h
@@ -14,9 +14,13 @@
  * modified is included with the above copyright notice.
  */
 
-#include <sys/syscall.h>
+/*
+ * sched_getcpu.
+ */
+#ifdef __linux__
 
 #ifdef __UCLIBC__
+#include <sys/syscall.h>
 #define __getcpu(cpu, node, cache)	syscall(__NR_getcpu, cpu, node, cache)
 static inline
 int sched_getcpu(void)
@@ -27,4 +31,50 @@ int sched_getcpu(void)
 	return (s == -1) ? s : c;
 }
 #endif	/* __UCLIBC__ */
+
+#else
+#error "Please add support for your OS into liblttng-ust/compat.h."
+#endif
+
+/*
+ * 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>
+
+/*
+ * 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
+void lttng_ust_getprocname(char *name)
+{
+	const char *bsd_name;
+
+	bsd_name = getprogname();
+	if (!bsd_name)
+		name[0] = '\0';
+	memcpy(name, bsd_name, LTTNG_UST_PROCNAME_LEN - 1);
+}
+
+#endif
+
 #endif /* _UST_COMPAT_H */