[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.7-171-g9b59029
dsmith@sourceware.org
dsmith@sourceware.org
Thu May 28 16:00:00 GMT 2009
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commit 9b59029875a7e4d362834fe2d6017b74a044b2e6
Author: David Smith <dsmith@redhat.com>
Date: Thu May 28 10:58:17 2009 -0500
Avoid 1 case of holding a semaphore while mmap callbacks are being made.
* runtime/task_finder.c (__stp_call_mmap_callbacks_with_addr): Renamed
from __stp_call_mmap_callbacks_with_vma(). Also added some code from
__stp_utrace_task_finder_target_syscall_exit() that locks the 'mmap_sem'
semaphore. This avoids holding the semaphore while the mmap callbacks
are made.
(__stp_utrace_task_finder_target_syscall_exit): Just calls
__stp_call_mmap_callbacks_with_addr() in the mmap case.
-----------------------------------------------------------------------
Summary of changes:
runtime/task_finder.c | 132 ++++++++++++++++++++++++++++---------------------
1 files changed, 75 insertions(+), 57 deletions(-)
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