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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2006-06-14 14:10:51 +0100
committerDavid Woodhouse <dwmw2@infradead.org>2006-06-14 14:10:51 +0100
commit9348f0de2d2b541b4ba64fb1f4efee9710a3d731 (patch)
treea7ba0a32697123ff7fbcc12e37d2472249963d41 /include/asm-s390
parentd27317657ae18cfbc45def8f566e4c3ed1f51d74 (diff)
[S390] __FD_foo definitions.
Make the definitions of __FD_SET, __FD_CLR and __FD_ISSET independent from asm/bitops.h and remove the macro magic that tests for __GLIBC__. Use simple C inline functions instead of set_bit, clear_bit and test_bit. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'include/asm-s390')
-rw-r--r--include/asm-s390/posix_types.h44
1 files changed, 28 insertions, 16 deletions
diff --git a/include/asm-s390/posix_types.h b/include/asm-s390/posix_types.h
index 61788de3c0c..b94c98856e1 100644
--- a/include/asm-s390/posix_types.h
+++ b/include/asm-s390/posix_types.h
@@ -76,24 +76,36 @@ typedef struct {
} __kernel_fsid_t;
-#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
-
-#ifndef _S390_BITOPS_H
-#include <asm/bitops.h>
-#endif
-
-#undef __FD_SET
-#define __FD_SET(fd,fdsetp) set_bit((fd),(fdsetp)->fds_bits)
-
-#undef __FD_CLR
-#define __FD_CLR(fd,fdsetp) clear_bit((fd),(fdsetp)->fds_bits)
-
-#undef __FD_ISSET
-#define __FD_ISSET(fd,fdsetp) test_bit((fd),(fdsetp)->fds_bits)
+#ifdef __KERNEL__
+
+#undef __FD_SET
+static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
+{
+ unsigned long _tmp = fd / __NFDBITS;
+ unsigned long _rem = fd % __NFDBITS;
+ fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
+}
+
+#undef __FD_CLR
+static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
+{
+ unsigned long _tmp = fd / __NFDBITS;
+ unsigned long _rem = fd % __NFDBITS;
+ fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
+}
+
+#undef __FD_ISSET
+static inline int __FD_ISSET(unsigned long fd, const __kernel_fd_set *fdsetp)
+{
+ unsigned long _tmp = fd / __NFDBITS;
+ unsigned long _rem = fd % __NFDBITS;
+ return (fdsetp->fds_bits[_tmp] & (1UL<<_rem)) != 0;
+}
#undef __FD_ZERO
-#define __FD_ZERO(fdsetp) (memset ((fdsetp), 0, sizeof(*(fd_set *)(fdsetp))))
+#define __FD_ZERO(fdsetp) \
+ ((void) memset ((__ptr_t) (fdsetp), 0, sizeof (__kernel_fd_set)))
-#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)*/
+#endif /* __KERNEL__ */
#endif