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- Additional patch for BZ 175083, to cope with waitpid setting status even

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when returning zero.
This commit is contained in:
aoliva 2006-06-15 10:35:58 +00:00
parent 940bd52d43
commit 4917379716
2 changed files with 47 additions and 5 deletions
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33
gdb-6.3-ia32el-fix-waitpid-20060615.patch Normal file
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@ -0,0 +1,33 @@
Index: gdb-6.3/gdb/linux-nat.c
===================================================================
--- gdb-6.3.orig/gdb/linux-nat.c 2006-06-15 07:27:02.000000000 -0300
+++ gdb-6.3/gdb/linux-nat.c 2006-06-15 07:27:06.000000000 -0300
@@ -157,12 +157,28 @@ static int
my_waitpid (int pid, int *status, int flags)
{
int ret;
+ int old_status = status ? *status : 0;
+
do
{
ret = waitpid (pid, status, flags);
}
while (ret == -1 && errno == EINTR);
+ if (ret == 0 && status != 0)
+ {
+ /* waitpid() running within ia32el (on multi-threaded processes
+ only?) modifies status even when it returns zero, and this
+ breaks the assumption in linux_nat_wait(), and perhaps
+ elsewhere, that it remains unchanged in this case. We
+ restore the old value before returning zero, such that the
+ assumption holds. */
+ if (*status != 0 && *status != old_status)
+ warning ("waitpid: non-zero status %x for zero return value",
+ *status);
+ *status = old_status;
+ }
+
return ret;
}

19
gdb.spec
View File

@ -11,7 +11,7 @@ Name: gdb
Version: 6.3.0.0 Version: 6.3.0.0
# The release always contains a leading reserved number, start it at 0. # The release always contains a leading reserved number, start it at 0.
Release: 1.131.FC6 Release: 1.132.FC6
License: GPL License: GPL
Group: Development/Debuggers Group: Development/Debuggers
@ -281,12 +281,16 @@ Patch175: gdb-6.3-support-fopen64-20060413.patch
# Use bigger numbers than int. # Use bigger numbers than int.
Patch176: gdb-6.3-large-core-20051206.patch Patch176: gdb-6.3-large-core-20051206.patch
# Do not let errors related with debug registers break thread debugging.
Patch177: gdb-6.3-catch-debug-registers-error-20060527.patch
# Hard-code executable names in gstack, such that it can run with a # Hard-code executable names in gstack, such that it can run with a
# corrupted or missing PATH. # corrupted or missing PATH.
Patch178: gdb-6.3-gstack-without-path-20060414.patch Patch177: gdb-6.3-gstack-without-path-20060414.patch
# Do not let errors related with debug registers break thread debugging.
Patch178: gdb-6.3-catch-debug-registers-error-20060527.patch
# Copy with waitpid modifying status even when returning zero, as on
# ia32el.
Patch179: gdb-6.3-ia32el-fix-waitpid-20060615.patch
BuildRequires: ncurses-devel glibc-devel gcc make gzip texinfo dejagnu gettext BuildRequires: ncurses-devel glibc-devel gcc make gzip texinfo dejagnu gettext
@ -395,6 +399,7 @@ and printing their data.
%patch176 -p1 %patch176 -p1
%patch177 -p1 %patch177 -p1
%patch178 -p1 %patch178 -p1
%patch179 -p1
# Change the version that gets printed at GDB startup, so it is RedHat # Change the version that gets printed at GDB startup, so it is RedHat
# specific. # specific.
@ -563,6 +568,10 @@ fi
# don't include the files in include, they are part of binutils # don't include the files in include, they are part of binutils
%changelog %changelog
* Thu Jun 15 2006 Alexandre Oliva <aoliva@redhat.com> - 6.3.0.0-1.132
- Additional patch for BZ 175083, to cope with waitpid setting status
even when returning zero.
* Wed May 31 2006 Alexandre Oliva <aoliva@redhat.com> - 6.3.0.0-1.131 * Wed May 31 2006 Alexandre Oliva <aoliva@redhat.com> - 6.3.0.0-1.131
- Require gettext at build time. (BZ193366) - Require gettext at build time. (BZ193366)