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Implement waitfor:// in io.debug. Fixes #5380

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This commit is contained in:
pancake 2016-07-26 17:23:50 +02:00
parent 102261ba37
commit d46fa6ddd5
1 changed files with 23 additions and 7 deletions
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30
libr/io/p/io_debug.c
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@ -354,10 +354,12 @@ static int fork_and_ptraceme(RIO *io, int bits, const char *cmd) {
"different pid %d\n", ret);
}
} while (ret != child_pid);
if (WIFSTOPPED (status))
if (WIFSTOPPED (status)) {
eprintf ("Process with PID %d started...\n", (int)child_pid);
if (WEXITSTATUS (status) == MAGIC_EXIT)
}
if (WEXITSTATUS (status) == MAGIC_EXIT) {
child_pid = -1;
}
// XXX kill (pid, SIGSTOP);
break;
}
@ -366,8 +368,11 @@ static int fork_and_ptraceme(RIO *io, int bits, const char *cmd) {
#endif
static bool __plugin_open(RIO *io, const char *file, bool many) {
if (!strncmp (file, "waitfor://", 10)) {
return true;
}
if (!strncmp (file, "pidof://", 8)) {
return 1;
return true;
}
return (!strncmp (file, "dbg://", 6) && file[6]);
}
@ -386,7 +391,6 @@ static int get_pid_of(RIO *io, const char *procname) {
return proc->pid;
}
}
eprintf ("PIDS %p\n", pids);
} else {
eprintf ("Cannot enumerate processes\n");
}
@ -395,10 +399,22 @@ static int get_pid_of(RIO *io, const char *procname) {
static RIODesc *__open(RIO *io, const char *file, int rw, int mode) {
char uri[128];
if (!strncmp (file, "pidof://", 8)) {
int target_pid = get_pid_of (io, file + 8);
if (!strncmp (file, "waitfor://", 10)) {
const char *procname = file + 10;
eprintf ("Waiting for %s\n", procname);
while (true) {
int target_pid = get_pid_of (io, procname);
if (target_pid != -1) {
snprintf (uri, sizeof (uri), "dbg://%d", target_pid);
file = uri;
break;
}
r_sys_usleep (100);
}
} else if (!strncmp (file, "pidof://", 8)) {
const char *procname = file + 8;
int target_pid = get_pid_of (io, procname);
if (target_pid != -1) {
eprintf ("PIDOF %s\n", file + 8);
snprintf (uri, sizeof (uri), "dbg://%d", target_pid);
file = uri;
} else {