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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2016-09-22 01:45:48 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2016-09-22 01:45:48 +0200
commite67f54ab1a6253dd69cb2c770d785c7eb6d2172c (patch)
tree69632c1338d0f7f0790b0f1b3a17ac11e9b1847f /hurd/hurdmalloc.c
parent87ab10d6524fe4faabd7eb3eac5868165ecfb323 (diff)
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hurdmalloc: Run fork handler as late as possible [BZ #19431]
This is the hurd-specific follow-up for 29d794863cd6e03115d3670707cc873a9965ba92 : hurdmalloc also needs the same fix * hurd/hurdmalloc.c (malloc_fork_prepare): Rename to _hurd_malloc_fork_prepare. (malloc_fork_parent): Rename to _hurd_malloc_fork_parent. (malloc_fork_child): Rename to _hurd_malloc_fork_child. (_hurd_fork_prepare_hook): Drop malloc_fork_prepare. (_hurd_fork_parent_hook): Drop malloc_fork_parent. (_hurd_fork_child_hook): Drop malloc_fork_child. * hurd/hurdmalloc.h (_hurd_malloc_fork_prepare, _hurd_malloc_fork_parent, _hurd_malloc_fork_child): Add declarations. * sysdeps/mach/hurd/fork.c (__fork): Call __malloc_fork_lock_parent after locking locks (notably hurd_dtable_lock). Call _hurd_malloc_fork_prepare after that. Call _hurd_malloc_fork_parent before __malloc_fork_unlock_parent and _hurd_malloc_fork_child before __malloc_fork_unlock_child.
Diffstat (limited to 'hurd/hurdmalloc.c')
-rw-r--r--hurd/hurdmalloc.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/hurd/hurdmalloc.c b/hurd/hurdmalloc.c
index 58c29fa07d..65fb959d84 100644
--- a/hurd/hurdmalloc.c
+++ b/hurd/hurdmalloc.c
@@ -405,8 +405,8 @@ print_malloc_free_list (void)
}
#endif /* DEBUG */
-static void
-malloc_fork_prepare(void)
+void
+_hurd_malloc_fork_prepare(void)
/*
* Prepare the malloc module for a fork by insuring that no thread is in a
* malloc critical section.
@@ -419,8 +419,8 @@ malloc_fork_prepare(void)
}
}
-static void
-malloc_fork_parent(void)
+void
+_hurd_malloc_fork_parent(void)
/*
* Called in the parent process after a fork() to resume normal operation.
*/
@@ -432,8 +432,8 @@ malloc_fork_parent(void)
}
}
-static void
-malloc_fork_child(void)
+void
+_hurd_malloc_fork_child(void)
/*
* Called in the child process after a fork() to resume normal operation.
*/
@@ -446,7 +446,4 @@ malloc_fork_child(void)
}
-text_set_element (_hurd_fork_prepare_hook, malloc_fork_prepare);
-text_set_element (_hurd_fork_parent_hook, malloc_fork_parent);
-text_set_element (_hurd_fork_child_hook, malloc_fork_child);
text_set_element (_hurd_preinit_hook, malloc_init);