diff options
Diffstat (limited to 'gdb/linux-nat.c')
| -rw-r--r-- | gdb/linux-nat.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gdb/linux-nat.c b/gdb/linux-nat.c index 046544d..bef737b 100644 --- a/gdb/linux-nat.c +++ b/gdb/linux-nat.c @@ -54,12 +54,53 @@ #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 (). */ static void |