[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/build/uClibc/test/stdlib/testatexit.c b/ap/build/uClibc/test/stdlib/testatexit.c
new file mode 100644
index 0000000..01874fd
--- /dev/null
+++ b/ap/build/uClibc/test/stdlib/testatexit.c
@@ -0,0 +1,81 @@
+/*
+ * This test program will register the maximum number of exit functions
+ * with atexit(). When this program exits, each exit function should get
+ * called in the reverse order in which it was registered. (If the system
+ * supports more than 25 exit functions, the function names will loop, but
+ * the effect will be the same. Feel free to add more functions if desired)
+ */
+#include <stdio.h>
+#include <stdlib.h>
+
+typedef void (*vfuncp) (void);
+
+/* All functions call exit(), in order to test that exit functions can call
+ * exit() without screwing everything up. :)
+ */
+#define make_exitfunc(num) \
+__attribute__ ((__noreturn__)) static \
+void exitfunc##num(void) \
+{ \
+ printf("Executing exitfunc"#num".\n"); \
+ exit(0); \
+}
+make_exitfunc(0)
+make_exitfunc(1)
+make_exitfunc(2)
+make_exitfunc(3)
+make_exitfunc(4)
+make_exitfunc(5)
+make_exitfunc(6)
+make_exitfunc(7)
+make_exitfunc(8)
+make_exitfunc(9)
+make_exitfunc(10)
+make_exitfunc(11)
+make_exitfunc(12)
+make_exitfunc(13)
+make_exitfunc(14)
+make_exitfunc(15)
+make_exitfunc(16)
+make_exitfunc(17)
+make_exitfunc(18)
+make_exitfunc(19)
+make_exitfunc(20)
+make_exitfunc(21)
+make_exitfunc(22)
+make_exitfunc(23)
+make_exitfunc(24)
+
+static vfuncp func_table[] =
+ {
+ exitfunc0, exitfunc1, exitfunc2, exitfunc3, exitfunc4,
+ exitfunc5, exitfunc6, exitfunc7, exitfunc8, exitfunc9,
+ exitfunc10, exitfunc11, exitfunc12, exitfunc13, exitfunc14,
+ exitfunc15, exitfunc16, exitfunc17, exitfunc18, exitfunc19,
+ exitfunc20, exitfunc21, exitfunc22, exitfunc23, exitfunc24
+ };
+
+/* glibc dynamically adds exit functions, so it will keep adding until
+ * it runs out of memory! So this will limit the number of exit functions
+ * we add in the loop below. uClibc has a set limit (currently 20), so the
+ * loop will go until it can't add any more (so it should not hit this limit).
+ */
+#define ATEXIT_LIMIT 20
+
+int
+main ( void )
+{
+ int i = 0;
+ int count = 0;
+ int numfuncs = sizeof(func_table)/sizeof(vfuncp);
+
+ /* loop until no more can be added */
+ while(count < ATEXIT_LIMIT && atexit(func_table[i]) >= 0) {
+ printf("Registered exitfunc%d with atexit()\n", i);
+ count++;
+ i = (i+1) % numfuncs;
+ }
+ printf("%d functions registered with atexit.\n", count);
+
+ return 0;
+}