*SPAM* Re: ports/137056: VLC 1.0.0 does not work on 7.1 + workaround patch

[Václav Haisman]

The following reply was made to PR ports/137056; it has been noted by GNATS.

From: =?UTF-8?B?VsOhY2xhdiBIYWlzbWFu?= <v.haisman at sh.cvut.cz>
To: bug-followup at FreeBSD.org, v.haisman at sh.cvut.cz
Cc:  
Subject: *SPAM* Re: ports/137056: VLC 1.0.0 does not work on 7.1 + workaround patch
Date: Fri, 24 Jul 2009 19:27:26 +0200

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 This is the output of the attached test programme:
 shell::wilx:~/tmp> ./sched
 SCHED_FIFO:     1
 SCHED_OTHER:    2
 SCHED_RR:       3
 policy: 1
 pthread_attr_init (&attr):55:   0
 pthread_attr_setschedpolicy (&attr, policy):56:         0
 prio = sched_get_priority_min (policy):58:      0
 pthread_attr_setschedparam (&attr, &schp):60:   0
 pthread_create (thr, &attr, nothing, 0):63:     1, errno: 1
 prio = sched_get_priority_max (policy):65:      31
 pthread_attr_setschedparam (&attr, &schp):67:   0
 pthread_create (thr, &attr, nothing, 0):70:     1, errno: 1
 
 
 policy: 2
 pthread_attr_init (&attr):55:   0
 pthread_attr_setschedpolicy (&attr, policy):56:         0
 prio = sched_get_priority_min (policy):58:      0
 pthread_attr_setschedparam (&attr, &schp):60:   0
 pthread_create (thr, &attr, nothing, 0):63:     0
 prio = sched_get_priority_max (policy):65:      63
 pthread_attr_setschedparam (&attr, &schp):67:   0
 pthread_create (thr, &attr, nothing, 0):70:     0
 
 
 policy: 3
 pthread_attr_init (&attr):55:   0
 pthread_attr_setschedpolicy (&attr, policy):56:         0
 prio = sched_get_priority_min (policy):58:      0
 pthread_attr_setschedparam (&attr, &schp):60:   0
 pthread_create (thr, &attr, nothing, 0):63:     1, errno: 1
 prio = sched_get_priority_max (policy):65:      31
 pthread_attr_setschedparam (&attr, &schp):67:   0
 pthread_create (thr, &attr, nothing, 0):70:     1, errno: 1
 
 
 EPERM:  1
 EINVAL:         22
 ENOSYS:         78
 ESRCH:  3
 
 It is apparent that it is possible to create threads only with SCHED_OTHER
 scheduling policy. The code in VCL 1.0.0 attempts to use SCHED_RR and which
 blows up in pthread_create().
 
 --
 VH
 
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