X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fenv%2F__libc_start_main.c;h=5c79be28f0b5c8205a53ad1f23510b57da9ca7d4;hb=a8cc2253843e30dfbdf0bb2954439d9f2b2e8704;hp=d7ec3abd8ae94ba79a340fbcdaeba03d37a35ce4;hpb=fbcfed7c2d27496063d79e4d2a2a694d0fe67209;p=musl

diff --git a/src/env/__libc_start_main.c b/src/env/__libc_start_main.c
index d7ec3abd..5c79be28 100644
--- a/src/env/__libc_start_main.c
+++ b/src/env/__libc_start_main.c
@@ -1,27 +1,24 @@
 #include <elf.h>
 #include <poll.h>
 #include <fcntl.h>
+#include <signal.h>
 #include "syscall.h"
 #include "atomic.h"
 #include "libc.h"
 
 void __init_tls(size_t *);
 
-#ifndef SHARED
-static void dummy() {}
+static void dummy(void) {}
 weak_alias(dummy, _init);
-extern void (*const __init_array_start)() __attribute__((weak));
-extern void (*const __init_array_end)() __attribute__((weak));
-#endif
+
+__attribute__((__weak__, __visibility__("hidden")))
+extern void (*const __init_array_start)(void), (*const __init_array_end)(void);
 
 static void dummy1(void *p) {}
 weak_alias(dummy1, __init_ssp);
 
 #define AUX_CNT 38
 
-extern size_t __hwcap, __sysinfo;
-extern char *__progname, *__progname_full;
-
 void __init_libc(char **envp, char *pn)
 {
 	size_t i, *auxv, aux[AUX_CNT] = { 0 };
@@ -45,26 +42,35 @@ void __init_libc(char **envp, char *pn)
 		&& !aux[AT_SECURE]) return;
 
 	struct pollfd pfd[3] = { {.fd=0}, {.fd=1}, {.fd=2} };
+#ifdef SYS_poll
 	__syscall(SYS_poll, pfd, 3, 0);
+#else
+	__syscall(SYS_ppoll, pfd, 3, &(struct timespec){0}, 0, _NSIG/8);
+#endif
 	for (i=0; i<3; i++) if (pfd[i].revents&POLLNVAL)
-		if (__syscall(SYS_open, "/dev/null", O_RDWR|O_LARGEFILE)<0)
+		if (__sys_open("/dev/null", O_RDWR)<0)
 			a_crash();
 	libc.secure = 1;
 }
 
-int __libc_start_main(int (*main)(int,char **,char **), int argc, char **argv)
+static void libc_start_init(void)
 {
-	char **envp = argv+argc+1;
-
-#ifndef SHARED
-	__init_libc(envp, argv[0]);
 	_init();
 	uintptr_t a = (uintptr_t)&__init_array_start;
 	for (; a<(uintptr_t)&__init_array_end; a+=sizeof(void(*)()))
 		(*(void (**)())a)();
-#endif
+}
+
+weak_alias(libc_start_init, __libc_start_init);
+
+int __libc_start_main(int (*main)(int,char **,char **), int argc, char **argv)
+{
+	char **envp = argv+argc+1;
+
+	__init_libc(envp, argv[0]);
+	__libc_start_init();
 
-	/* Pass control to to application */
+	/* Pass control to the application */
 	exit(main(argc, argv, envp));
 	return 0;
 }