linux-ucontext-fixes-20080630

LICENSE BSD

Use undef in the arch-specific param file to override UCONTEXT rather
than adding a conditional in a generic file, making arm work the same
as 32-bit SPARC.  Disable UCONTEXT on parisc as well; glibc doesn't
provide the ucontext functions on that architecture.

diff --git a/src/config/param.arm_linux24.h b/src/config/param.arm_linux24.h
index 03146cda1ef8212a0a51ad6ac41f5c1261d84dc6..d7025a59898cc689bd8fb3c38766d57c5f9c91f7 100644 (file)
--- a/src/config/param.arm_linux24.h
+++ b/src/config/param.arm_linux24.h
@@ -30,4 +30,7 @@
 #define AFSLITTLE_ENDIAN       1
 #define AFS_SYSCALL            137
 
+/* glibc doesn't implement getcontext/savecontext for arm. */
+#undef USE_UCONTEXT
+
 #endif /* AFS_PARAM_H */

diff --git a/src/config/param.arm_linux26.h b/src/config/param.arm_linux26.h
index 1a035969049a5f27d82d9182c5f1b1e6a7173e32..1339fd0fcc3d20179211f30e0d3f70c734b96fb7 100644 (file)
--- a/src/config/param.arm_linux26.h
+++ b/src/config/param.arm_linux26.h
@@ -33,4 +33,8 @@
 #ifndef __NR_afs_syscall
 #define __NR_afs_syscall 137
 #endif
+
+/* glibc doesn't implement getcontext/savecontext for arm. */
+#undef USE_UCONTEXT
+
 #endif /* AFS_PARAM_H */

diff --git a/src/config/param.linux26.h b/src/config/param.linux26.h
index 3c0edd2b3b2d8b8c7a83e332ae306f0f9bc1ca67..e0d7b0c42302a375d11bd3041eb25927b01bf04a 100644 (file)
--- a/src/config/param.linux26.h
+++ b/src/config/param.linux26.h
@@ -92,13 +92,11 @@
 
 #endif /* !defined(UKERNEL) */
 
-#ifndef AFS_ARM_LINUX24_ENV
 #ifdef __GLIBC__
 #if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
 #define USE_UCONTEXT
 #endif
 #endif
-#endif
 
 #ifndef HAVE_IGET
 #define AFS_CACHE_VNODE_PATH 1

diff --git a/src/config/param.parisc_linux24.h b/src/config/param.parisc_linux24.h
index 0be0bc0881d19315efb98bbeaba75d8107574037..a6bebdf281dfdd61b442ed8a74247c7852c5ae8e 100644 (file)
--- a/src/config/param.parisc_linux24.h
+++ b/src/config/param.parisc_linux24.h
@@ -30,4 +30,7 @@
 #define AFSBIG_ENDIAN          1
 #define AFS_SYSCALL            137
 
+/* glibc doesn't implement getcontext/savecontext for parisc. */
+#undef USE_UCONTEXT
+
 #endif /* AFS_PARAM_H */