From d3fad3af128215bbf3b39b289ff396a2126a12b1 Mon Sep 17 00:00:00 2001
From: "mostang.com!davidm" <mostang.com!davidm>
Date: Thu, 1 Apr 2004 08:09:28 +0000
Subject: [PATCH] (dwarf_find_proc_info): Mask signal-delivery during
 dl_iterate_phdr().

(Logical change 1.203)
---
 src/dwarf/Gfind_proc_info-lsb.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/dwarf/Gfind_proc_info-lsb.c b/src/dwarf/Gfind_proc_info-lsb.c
index 3365459b..fcb8a5da 100644
--- a/src/dwarf/Gfind_proc_info-lsb.c
+++ b/src/dwarf/Gfind_proc_info-lsb.c
@@ -191,12 +191,18 @@ HIDDEN int
 dwarf_find_proc_info (unw_addr_space_t as, unw_word_t ip,
 		      unw_proc_info_t *pi, int need_unwind_info, void *arg)
 {
+  sigset_t saved_sigmask;
   unw_dyn_info_t di;
+  int ret;
 
   Debug (14, "looking for IP=0x%lx\n", (long) ip);
   di.u.rti.segbase = ip;	/* this is cheap... */
 
-  if (dl_iterate_phdr (callback, &di) <= 0)
+  sigprocmask (SIG_SETMASK, &unwi_full_sigmask, &saved_sigmask);
+  ret = dl_iterate_phdr (callback, &di);
+  sigprocmask (SIG_SETMASK, &saved_sigmask, NULL);
+
+  if (ret <= 0)
     {
       Debug (14, "IP=0x%lx not found\n", (long) ip);
       return -UNW_ENOINFO;