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2011-08-26 Pedro Alves <pedro@codesourcery.com>

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* linux-nat.c (linux_child_follow_fork): Don't set lp->resumed on
	either the parent or the child forks.  Rename a couple locals.
This commit is contained in:
Pedro Alves 2011-08-26 19:55:00 +00:00
parent a9f4bb2123
commit 3ced3da4a5
2 changed files with 15 additions and 14 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2011-08-26 Pedro Alves <pedro@codesourcery.com>
* linux-nat.c (linux_child_follow_fork): Don't set lp->resumed on
either the parent or the child forks. Rename a couple locals.
2011-08-26 Pedro Alves <pedro@codesourcery.com>
* linux-nat.c (wait_lwp): Avoid assuming errno is preserved by a

24
gdb/linux-nat.c
View File

@ -696,7 +696,6 @@ holding the child stopped. Try \"set detach-on-fork\" or \
add_thread (inferior_ptid);
child_lp = add_lwp (inferior_ptid);
child_lp->stopped = 1;
child_lp->resumed = 1;
/* If this is a vfork child, then the address-space is
shared with the parent. */
@ -738,7 +737,7 @@ holding the child stopped. Try \"set detach-on-fork\" or \
if (has_vforked)
{
struct lwp_info *lp;
struct lwp_info *parent_lp;
struct inferior *parent_inf;
parent_inf = current_inferior ();
@ -753,17 +752,16 @@ holding the child stopped. Try \"set detach-on-fork\" or \
parent_inf->waiting_for_vfork_done = detach_fork;
parent_inf->pspace->breakpoints_not_allowed = detach_fork;
lp = find_lwp_pid (pid_to_ptid (parent_pid));
parent_lp = find_lwp_pid (pid_to_ptid (parent_pid));
gdb_assert (linux_supports_tracefork_flag >= 0);
if (linux_supports_tracevforkdone (0))
{
if (debug_linux_nat)
fprintf_unfiltered (gdb_stdlog,
"LCFF: waiting for VFORK_DONE on %d\n",
parent_pid);
lp->stopped = 1;
lp->resumed = 1;
parent_lp->stopped = 1;
/* We'll handle the VFORK_DONE event like any other
event, in target_wait. */
@ -812,10 +810,9 @@ holding the child stopped. Try \"set detach-on-fork\" or \
and leave it pending. The next linux_nat_resume call
will notice a pending event, and bypasses actually
resuming the inferior. */
lp->status = 0;
lp->waitstatus.kind = TARGET_WAITKIND_VFORK_DONE;
lp->stopped = 0;
lp->resumed = 1;
parent_lp->status = 0;
parent_lp->waitstatus.kind = TARGET_WAITKIND_VFORK_DONE;
parent_lp->stopped = 1;
/* If we're in async mode, need to tell the event loop
there's something here to process. */
@ -827,7 +824,7 @@ holding the child stopped. Try \"set detach-on-fork\" or \
else
{
struct inferior *parent_inf, *child_inf;
struct lwp_info *lp;
struct lwp_info *child_lp;
struct program_space *parent_pspace;
if (info_verbose || debug_linux_nat)
@ -887,9 +884,8 @@ holding the child stopped. Try \"set detach-on-fork\" or \
inferior_ptid = ptid_build (child_pid, child_pid, 0);
add_thread (inferior_ptid);
lp = add_lwp (inferior_ptid);
lp->stopped = 1;
lp->resumed = 1;
child_lp = add_lwp (inferior_ptid);
child_lp->stopped = 1;
/* If this is a vfork child, then the address-space is shared
with the parent. If we detached from the parent, then we can