diff options
Diffstat (limited to 'usr/src')
| -rw-r--r-- | usr/src/uts/common/brand/lx/os/lx_brand.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/usr/src/uts/common/brand/lx/os/lx_brand.c b/usr/src/uts/common/brand/lx/os/lx_brand.c index b1a28abb1d..c7b4ccb208 100644 --- a/usr/src/uts/common/brand/lx/os/lx_brand.c +++ b/usr/src/uts/common/brand/lx/os/lx_brand.c @@ -391,12 +391,12 @@ static void lx_ptrace_stop_for_option(int option) { proc_t *p = ttoproc(curthread); + proc_t *pp = p->p_parent; + sigqueue_t *sqp; lx_proc_data_t *lpdp; - psignal(p, SIGTRAP); - if ((lpdp = p->p_brand_data) == NULL) { - /* this should never happen but just let the process stop */ + /* this should never happen but just to be safe */ return; } @@ -425,6 +425,19 @@ lx_ptrace_stop_for_option(int option) break; } + /* Post the required signal to ourselves so that we stop. */ + psignal(p, SIGTRAP); + + /* + * Since we're stopping, we need to post the SIGCHLD to the parent. + * The code in sigcld expects the following two process values to be + * setup specifically before it can send the signal, so do that here. + */ + sqp = kmem_zalloc(sizeof (sigqueue_t), KM_SLEEP); + p->p_wdata = SIGTRAP; + p->p_wcode = CLD_STOPPED; + sigcld(p, sqp); + /* * If (p_proc_flag & P_PR_PTRACE) were set, then in stop() we would set: * p->p_wcode = CLD_TRAPPED @@ -438,7 +451,6 @@ lx_ptrace_stop_for_option(int option) * do the right thing for this process. We still rely on stop() to do * all of the other processing needed for our signal. */ - p->p_wdata = SIGTRAP; p->p_wcode = CLD_TRAPPED; } |