From: Samuel Thibault Date: Mon, 18 Apr 2016 22:54:24 +0000 (+0200) Subject: hurd: fix profiling short-living processes X-Git-Tag: glibc-2.24~367 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=593285ac1520e54467573c3a73cdda26a6a5acea;p=thirdparty%2Fglibc.git hurd: fix profiling short-living processes * sysdeps/mach/hurd/profil.c (update_waiter): Initialize profil_reply_port. (profile_waiter): Do not initialize profil_reply_port. --- diff --git a/ChangeLog b/ChangeLog index 200cfcb4fc4..04f5693376b 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2016-04-19 Samuel Thibault + + * sysdeps/mach/hurd/profil.c (update_waiter): Initialize + profil_reply_port. + (profile_waiter): Do not initialize profil_reply_port. + 2016-04-18 Wilco Dijkstra [BZ #18712] diff --git a/sysdeps/mach/hurd/profil.c b/sysdeps/mach/hurd/profil.c index dd77cd3d534..be249bbbe39 100644 --- a/sysdeps/mach/hurd/profil.c +++ b/sysdeps/mach/hurd/profil.c @@ -40,7 +40,7 @@ static mach_msg_timeout_t collector_timeout; /* ms between collections. */ static int profile_tick; /* Reply port used by profiler thread */ -static mach_port_t profil_reply_port; +static mach_port_t profil_reply_port = MACH_PORT_NULL; /* Forwards */ static kern_return_t profil_task_get_sampled_pcs (mach_port_t, @@ -63,6 +63,8 @@ update_waiter (u_short *sample_buffer, size_t size, size_t offset, u_int scale) if (profile_thread == MACH_PORT_NULL) { + if (profil_reply_port == MACH_PORT_NULL) + profil_reply_port = __mach_reply_port (); /* Set up the profiling collector thread. */ err = __thread_create (__mach_task_self (), &profile_thread); if (! err) @@ -182,7 +184,6 @@ profile_waiter (void) mach_msg_header_t msg; mach_port_t timeout_reply_port; - profil_reply_port = __mach_reply_port (); timeout_reply_port = __mach_reply_port (); while (1)