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-rw-r--r--erts/emulator/sys/unix/erl_unix_sys.h9
1 files changed, 2 insertions, 7 deletions
diff --git a/erts/emulator/sys/unix/erl_unix_sys.h b/erts/emulator/sys/unix/erl_unix_sys.h
index 26ed2fb558..bc55fab8fb 100644
--- a/erts/emulator/sys/unix/erl_unix_sys.h
+++ b/erts/emulator/sys/unix/erl_unix_sys.h
@@ -211,13 +211,8 @@ int sys_stop_hrvtime(void);
#define SYS_CLOCK_RESOLUTION 1
/* These are defined in sys.c */
-#if defined(SIG_SIGSET) /* Old SysV */
-RETSIGTYPE (*sys_sigset())();
-#elif defined(SIG_SIGNAL) /* Old BSD */
-RETSIGTYPE (*sys_sigset())();
-#else
-RETSIGTYPE (*sys_sigset(int, RETSIGTYPE (*func)(int)))(int);
-#endif
+typedef void (*SIGFUNC)(int);
+extern SIGFUNC sys_signal(int, SIGFUNC);
extern void sys_sigrelease(int);
extern void sys_sigblock(int);
extern void sys_stop_cat(void);