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.
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@ -1,3 +1,9 @@
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2016-04-19 Samuel Thibault <samuel.thibault@ens-lyon.org>
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* sysdeps/mach/hurd/profil.c (update_waiter): Initialize
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profil_reply_port.
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(profile_waiter): Do not initialize profil_reply_port.
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2016-04-18 Wilco Dijkstra <wdijkstr@arm.com>
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[BZ #18712]
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@ -40,7 +40,7 @@ static mach_msg_timeout_t collector_timeout; /* ms between collections. */
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static int profile_tick;
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/* Reply port used by profiler thread */
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static mach_port_t profil_reply_port;
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static mach_port_t profil_reply_port = MACH_PORT_NULL;
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/* Forwards */
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static kern_return_t profil_task_get_sampled_pcs (mach_port_t,
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@ -63,6 +63,8 @@ update_waiter (u_short *sample_buffer, size_t size, size_t offset, u_int scale)
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if (profile_thread == MACH_PORT_NULL)
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{
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if (profil_reply_port == MACH_PORT_NULL)
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profil_reply_port = __mach_reply_port ();
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/* Set up the profiling collector thread. */
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err = __thread_create (__mach_task_self (), &profile_thread);
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if (! err)
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@ -182,7 +184,6 @@ profile_waiter (void)
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mach_msg_header_t msg;
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mach_port_t timeout_reply_port;
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profil_reply_port = __mach_reply_port ();
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timeout_reply_port = __mach_reply_port ();
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while (1)
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