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* config/nm-linux.h (linux_record_stopped_pid): New prototype.

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* lin-lwp.c (child_wait): Call linux_record_stopped_pid.
	(lin_lwp_wait): Likewise.  Update comments.
	* linux-nat.c (struct simple_pid_list, add_to_pid_list)
	(pull_pid_from_list, linux_record_stopped_pid): New.
This commit is contained in:
Daniel Jacobowitz
2003-06-18 23:33:31 +00:00
parent 931e13a666
commit ae087d0195
4 changed files with 91 additions and 0 deletions
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41
gdb/linux-nat.c
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@@ -54,11 +54,52 @@
#define __WALL 0x40000000 /* Wait for any child. */
#endif
struct simple_pid_list
{
int pid;
struct simple_pid_list *next;
};
struct simple_pid_list *stopped_pids;
/* This variable is a tri-state flag: -1 for unknown, 0 if PTRACE_O_TRACEFORK
can not be used, 1 if it can. */
static int linux_supports_tracefork_flag = -1;
/* Trivial list manipulation functions to keep track of a list of
new stopped processes. */
static void
add_to_pid_list (struct simple_pid_list **listp, int pid)
{
struct simple_pid_list *new_pid = xmalloc (sizeof (struct simple_pid_list));
new_pid->pid = pid;
new_pid->next = *listp;
*listp = new_pid;
}
static int
pull_pid_from_list (struct simple_pid_list **listp, int pid)
{
struct simple_pid_list **p;
for (p = listp; *p != NULL; p = &(*p)->next)
if ((*p)->pid == pid)
{
struct simple_pid_list *next = (*p)->next;
xfree (*p);
*p = next;
return 1;
}
return 0;
}
void
linux_record_stopped_pid (int pid)
{
add_to_pid_list (&stopped_pids, pid);
}
/* A helper function for linux_test_for_tracefork, called after fork (). */