use kernel-provided AT_MINSIGSTKSZ for sysconf(_SC_[MIN]SIGSTKSZ)

[musl] / src / ipc / shmdt.c

diff --git a/src/ipc/shmdt.c b/src/ipc/shmdt.c
index d4fac8f..5723813 100644 (file)
--- a/src/ipc/shmdt.c
+++ b/src/ipc/shmdt.c
@@ -4,7 +4,7 @@
 
 int shmdt(const void *addr)
 {
-#ifdef SYS_shmdt
+#ifndef SYS_ipc
        return syscall(SYS_shmdt, addr);
 #else
        return syscall(SYS_ipc, IPCOP_shmdt, 0, 0, 0, addr);