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linux-lock-tracking-20070208

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FIXES 31818

avoid a potential leaked lock when closing firefox.
This commit is contained in:
Jeffrey Hutzelman 2007-02-08 22:37:41 +00:00 committed by Derrick Brashear
parent 403b5086dd
commit b0425c4e7f
4 changed files with 31 additions and 0 deletions
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4
acinclude.m4
View File

@ -622,6 +622,7 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM
LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE
LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID
LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO
LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
LINUX_STATFS_TAKES_DENTRY
@ -801,6 +802,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
if test "x$ac_cv_linux_sched_struct_task_struct_has_exit_state" = "xyes"; then
AC_DEFINE(STRUCT_TASK_STRUCT_HAS_EXIT_STATE, 1, [define if your struct task_struct has exit_state])
fi
if test "x$ac_cv_linux_sched_struct_task_struct_has_tgid" = "xyes"; then
AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TGID, 1, [define if your struct task_struct has tgid])
fi
if test "x$ac_cv_linux_sched_struct_task_struct_has_todo" = "xyes"; then
AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TODO, 1, [define if your struct task_struct has todo])
fi

11
src/afs/LINUX/osi_machdep.h
View File

@ -28,6 +28,16 @@
#undef getuerror
#ifdef STRUCT_TASK_STRUCT_HAS_TGID
#define getpid() current->tgid
#ifdef STRUCT_TASK_STRUCT_HAS_REAL_PARENT
#define getppid() current->real_parent->tgid
#elif defined(STRUCT_TASK_STRUCT_HAS_PARENT)
#define getppid() current->parent->tgid
#else
#define getppid() current->p_opptr->tgid
#endif
#else /* !STRUCT_TASK_STRUCT_HAS_TGID */
#define getpid() current->pid
#ifdef STRUCT_TASK_STRUCT_HAS_REAL_PARENT
#define getppid() current->real_parent->pid
@ -36,6 +46,7 @@
#else
#define getppid() current->p_opptr->pid
#endif
#endif /* STRUCT_TASK_STRUCT_HAS_TGID */
#ifdef RECALC_SIGPENDING_TAKES_VOID
#define RECALC_SIGPENDING(X) recalc_sigpending()

4
src/afs/afs_osi.h
View File

@ -212,8 +212,12 @@ typedef struct timeval osi_timeval_t;
/* should use curthread, but 'ps' can't display it */
#define osi_ThreadUnique() curproc
#else
#ifdef AFS_LINUX_ENV
#define osi_ThreadUnique() (current->pid)
#else
#define osi_ThreadUnique() getpid()
#endif
#endif

12
src/cf/linux-test4.m4
View File

@ -333,6 +333,18 @@ printk("%d\n", _tsk.parent);],
AC_MSG_RESULT($ac_cv_linux_sched_struct_task_struct_has_parent)])
AC_DEFUN([LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID], [
AC_MSG_CHECKING([for tgid in struct task_struct])
AC_CACHE_VAL([ac_cv_linux_sched_struct_task_struct_has_tgid], [
AC_TRY_KBUILD(
[#include <linux/sched.h>],
[struct task_struct _tsk;
printk("%d\n", _tsk.tgid);],
ac_cv_linux_sched_struct_task_struct_has_tgid=yes,
ac_cv_linux_sched_struct_task_struct_has_tgid=no)])
AC_MSG_RESULT($ac_cv_linux_sched_struct_task_struct_has_tgid)])
AC_DEFUN([LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT], [
AC_MSG_CHECKING([for real_parent in struct task_struct])
AC_CACHE_VAL([ac_cv_linux_sched_struct_task_struct_has_real_parent], [