scc

commit e11ab93848714e96d346795e2cc4be2c86dce19c
parent f31dacb5f419d4e082230bd8366c97585e5c9b16
Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date:   Fri,  1 May 2026 13:21:02 +0200

tests/libc: Add 0091-atexit

Diffstat:
M
tests/libc/execute/.gitignore
 | 
1
+
A
tests/libc/execute/0091-atexit.c
 | 
96
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
M
tests/libc/execute/libc-tests.lst
 | 
1
+

3 files changed, 98 insertions(+), 0 deletions(-)
diff --git a/tests/libc/execute/.gitignore b/tests/libc/execute/.gitignore
@@ -89,3 +89,4 @@ test.log
 0088-stroul
 0089-stroull
 0090-rand
+0091-atexit
diff --git a/tests/libc/execute/0091-atexit.c b/tests/libc/execute/0091-atexit.c
@@ -0,0 +1,96 @@
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/*
+output:
+testing
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun1
+fun2
+fun3
+done
+end:
+*/
+
+static void
+fun1(void)
+{
+	puts("fun1");
+}
+
+static void
+fun2(void)
+{
+	puts("fun2");
+}
+
+static void
+fun3(void)
+{
+	puts("fun3");
+	puts("done");
+	fflush(stdout);
+	_Exit(0);
+}
+
+static void
+fun4(void)
+{
+	puts("fun4");
+}
+
+int
+main(void)
+{
+	int i, r;
+
+	puts("testing");
+	r = atexit(fun4);
+	assert(r == 0);
+
+	r = atexit(fun3);
+	assert(r == 0);
+
+	r = atexit(fun2);
+	assert(r == 0);
+
+
+	for (i = 0; i < 29; i++) {
+		r = atexit(fun1);
+		assert(r == 0);
+	}
+	exit(EXIT_SUCCESS);
+
+	printf("failed");
+	exit(EXIT_FAILURE);
+
+	return 1;
+}
diff --git a/tests/libc/execute/libc-tests.lst b/tests/libc/execute/libc-tests.lst
@@ -87,3 +87,4 @@
 0088-stroul
 0089-stroull
 0090-rand
+0091-atexit