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-rw-r--r--libc/signal/sigfillset.c3
-rw-r--r--libc/sysdeps/linux/c6x/sigaction.c3
-rw-r--r--libc/sysdeps/linux/common/__rt_sigtimedwait.c5
-rw-r--r--libc/sysdeps/linux/common/sigprocmask.c3
4 files changed, 13 insertions, 1 deletions
diff --git a/libc/signal/sigfillset.c b/libc/signal/sigfillset.c
index ef60f1005..4e8af2d65 100644
--- a/libc/signal/sigfillset.c
+++ b/libc/signal/sigfillset.c
@@ -17,6 +17,9 @@
02111-1307 USA. */
#include <signal.h>
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+# include <pthreadP.h> /* SIGCANCEL */
+#endif
#if 0
#define __need_NULL
#include <stddef.h>
diff --git a/libc/sysdeps/linux/c6x/sigaction.c b/libc/sysdeps/linux/c6x/sigaction.c
index 38f8204b4..2f3a18462 100644
--- a/libc/sysdeps/linux/c6x/sigaction.c
+++ b/libc/sysdeps/linux/c6x/sigaction.c
@@ -28,6 +28,9 @@
#include <string.h>
#include <sys/syscall.h>
#include <bits/kernel_sigaction.h>
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+# include <pthreadP.h> /* SIGCANCEL */
+#endif
#define SA_RESTORER 0x04000000
diff --git a/libc/sysdeps/linux/common/__rt_sigtimedwait.c b/libc/sysdeps/linux/common/__rt_sigtimedwait.c
index 962ccb04b..b45f5df1b 100644
--- a/libc/sysdeps/linux/common/__rt_sigtimedwait.c
+++ b/libc/sysdeps/linux/common/__rt_sigtimedwait.c
@@ -13,7 +13,10 @@
#ifdef __NR_rt_sigtimedwait
# include <signal.h>
# include <cancel.h>
-# ifdef SIGCANCEL /* defined only in NPTL's pthreadP.h */
+# ifdef __UCLIBC_HAS_THREADS_NATIVE__
+# include <pthreadP.h> /* SIGCANCEL */
+# endif
+# ifdef SIGCANCEL
# define __need_NULL
# include <stddef.h>
# include <string.h>
diff --git a/libc/sysdeps/linux/common/sigprocmask.c b/libc/sysdeps/linux/common/sigprocmask.c
index 623003352..6eaf5fb3a 100644
--- a/libc/sysdeps/linux/common/sigprocmask.c
+++ b/libc/sysdeps/linux/common/sigprocmask.c
@@ -11,6 +11,9 @@
#if defined __USE_POSIX
#include <signal.h>
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+# include <pthreadP.h> /* SIGCANCEL */
+#endif
#undef sigprocmask