From: Michalis Pappas <michalis@unikraft.io>
Date: Fri, 12 Jan 2024 15:49:43 +0000 (+0100)
Subject: lib/posix-process/signal: Terminate process on SIG_TERM
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=078915278a24a1fb2bdf50d8f81bffd208c51140;p=unikraft%2Funikraft.git

lib/posix-process/signal: Terminate process on SIG_TERM

Call pprocess_exit() and block the calling thread to properly
terminate the process upon SIG_TERM.

Signed-off-by: Michalis Pappas <michalis@unikraft.io>
Approved-by: Andrei Tatar <andrei@unikraft.io>
Reviewed-by: Andrei Tatar <andrei@unikraft.io>
Reviewed-by: Sergiu Moga <sergiu@unikraft.io>
GitHub-Closes: #1630
---

diff --git a/lib/posix-process/signal/deliver.c b/lib/posix-process/signal/deliver.c
index 67f022691..956279f94 100644
--- a/lib/posix-process/signal/deliver.c
+++ b/lib/posix-process/signal/deliver.c
@@ -9,6 +9,7 @@
 #include <uk/process.h>
 #include <uk/syscall.h>
 
+#include "process.h"
 #include "sigset.h"
 #include "signal.h"
 #include "siginfo.h"
@@ -20,8 +21,15 @@ void pprocess_signal_call_handler_with_stack(int signum, siginfo_t *si,
 
 static void uk_sigact_term(int __unused sig)
 {
-	uk_pr_warn("tid %d terminated by signal\n", uk_sys_gettid());
-	pprocess_kill(uk_pprocess_current());
+	struct posix_process *pprocess;
+
+	pprocess = uk_pprocess_current();
+	UK_ASSERT(pprocess);
+
+	uk_pr_info("pid: %d terminated by signal\n", pprocess->pid);
+
+	pprocess_exit(pprocess, POSIX_PROCESS_KILLED, sig);
+	uk_sched_thread_exit(); /* noreturn */
 }
 
 static void uk_sigact_ign(int __unused sig)