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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2006-06-14 14:10:51 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2006-06-14 14:10:51 +0100 |
| commit | 9348f0de2d2b541b4ba64fb1f4efee9710a3d731 (patch) | |
| tree | a7ba0a32697123ff7fbcc12e37d2472249963d41 /include | |
| parent | d27317657ae18cfbc45def8f566e4c3ed1f51d74 (diff) | |
| download | linux-9348f0de2d2b541b4ba64fb1f4efee9710a3d731.tar.gz linux-9348f0de2d2b541b4ba64fb1f4efee9710a3d731.tar.bz2 linux-9348f0de2d2b541b4ba64fb1f4efee9710a3d731.zip | |
[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')
| -rw-r--r-- | include/asm-s390/posix_types.h | 44 |
1 files changed, 28 insertions, 16 deletions
diff --git a/include/asm-s390/posix_types.h b/include/asm-s390/posix_types.h index 61788de3c0c3..b94c98856e12 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 |