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Small improvements to g_on_error_stack_trace

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Make g_on_error_stack_trace (NULL) work by using /proc/$PID/exe.

This matches what /usr/bin/gstack does.
This commit is contained in:
Matthias Clasen 2024-10-29 00:28:51 -04:00 committed by Philip Withnall
parent 9949067a69
commit 95cdd0f06f
1 changed files with 8 additions and 4 deletions
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12
glib/gbacktrace.c
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@ -237,8 +237,8 @@ g_on_error_query (const gchar *prg_name)
/** /**
* g_on_error_stack_trace: * g_on_error_stack_trace:
* @prg_name: the program name, needed by gdb for the "[S]tack trace" * @prg_name: (nullable): the program name, needed by gdb for the
* option * "[S]tack trace" option, or `NULL` to use a default string
* *
* Invokes gdb, which attaches to the current process and shows a * Invokes gdb, which attaches to the current process and shows a
* stack trace. Called by g_on_error_query() when the "[S]tack trace" * stack trace. Called by g_on_error_query() when the "[S]tack trace"
@ -260,13 +260,17 @@ g_on_error_stack_trace (const gchar *prg_name)
#if defined(G_OS_UNIX) #if defined(G_OS_UNIX)
pid_t pid; pid_t pid;
gchar buf[16]; gchar buf[16];
gchar buf2[64];
const gchar *args[5] = { DEBUGGER, NULL, NULL, NULL, NULL }; const gchar *args[5] = { DEBUGGER, NULL, NULL, NULL, NULL };
int status; int status;
if (!prg_name) if (!prg_name)
return; {
_g_snprintf (buf2, sizeof (buf2), "/proc/%u/exe", (guint) getpid ());
prg_name = buf2;
}
_g_sprintf (buf, "%u", (guint) getpid ()); _g_snprintf (buf, sizeof (buf), "%u", (guint) getpid ());
#ifdef USE_LLDB #ifdef USE_LLDB
args[1] = prg_name; args[1] = prg_name;