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Stanislaw Gruszka 4dbed85a35 uml: stop gdb from deleting breakpoints when running UML ... Sometimes when UML is debugged gdb miss breakpoints. When process traced by gdb do fork, debugger remove breakpoints from child address space. There is possibility to trace more than one fork, but this not work with UML, I guess (only guess) there is a deadlock - gdb waits for UML and UML waits for gdb. When clone() is called with SIGCHLD and CLONE_VM flags, gdb see this as PTRACE_EVENT_FORK not as PTRACE_EVENT_CLONE and remove breakpoints from child and at the same time from traced process, because either have the same address space. Maybe it is possible to do fix in gdb, but I'm not sure if there is easy way to find out if traced and child processes share memory. So I do fix for UML, it simply do not call clone() with both SIGCHLD and CLONE_VM flags together. Additionally __WALL flag is used for waitpid() to assure not miss clone and normal process events. [ jdike - checkpatch fixes ] Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl> Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		17 years ago
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drivers	uml: stop gdb from deleting breakpoints when running UML	17 years ago
include	…
skas	uml: stop gdb from deleting breakpoints when running UML	17 years ago
sys-i386	uml: style fixes in FP code	18 years ago
sys-x86_64	uml: throw out CONFIG_MODE_TT	18 years ago
Makefile	uml: style fixes pass 1	18 years ago
aio.c	uml: stop gdb from deleting breakpoints when running UML	17 years ago
elf_aux.c	…
execvp.c	…
file.c	uml: fix recvmsg return value checking	17 years ago
helper.c	uml: stop gdb from deleting breakpoints when running UML	17 years ago
irq.c	uml: eliminate SIGALRM	18 years ago
main.c	uml: eliminate SIGALRM	18 years ago
mem.c	uml: userspace files should call libc directly	18 years ago
process.c	uml: stop gdb from deleting breakpoints when running UML	17 years ago
registers.c	uml: floating point signal delivery fixes	18 years ago
sigio.c	…
signal.c	uml: eliminate SIGALRM	18 years ago
start_up.c	uml: userspace files should call libc directly	18 years ago
time.c	uml: after_sleep_interval should return something	17 years ago
tls.c	uml: style fixes pass 1	18 years ago
trap.c	uml: eliminate SIGALRM	18 years ago
tty.c	…
tty_log.c	…
uaccess.c	uml: get rid of do_longjmp	18 years ago
umid.c	uml: style fixes pass 3	18 years ago
user_syms.c	uml: fix string exporting on UML/i386	18 years ago
util.c	uml: stop gdb from deleting breakpoints when running UML	17 years ago