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endian.h: support cygwin
[lttng-ust.git]
/
liblttng-ust
/
compat.h
diff --git
a/liblttng-ust/compat.h
b/liblttng-ust/compat.h
index 19d4da828b67cc793b056a46933d3b332c74b870..2690a7607ded20571f96cb79a417c9c3be0cb0e8 100644
(file)
--- a/
liblttng-ust/compat.h
+++ b/
liblttng-ust/compat.h
@@
-19,17
+19,45
@@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
* 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);
+}
-#ifdef __UCLIBC__
-#define __getcpu(cpu, node, cache) syscall(__NR_getcpu, cpu, node, cache)
+#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
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';
+ memcpy(name, bsd_name, LTTNG_UST_PROCNAME_LEN - 1);
}
}
-#endif /* __UCLIBC__ */
+
+#endif
+
#endif /* _UST_COMPAT_H */
#endif /* _UST_COMPAT_H */
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