LCOV - code coverage report
Current view: top level - lkbce/include/linux - posix_types.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 1 1 100.0 %
Date: 2017-01-25 Functions: 0 0 -

          Line data    Source code
       1             : #ifndef _LINUX_POSIX_TYPES_H
       2             : #define _LINUX_POSIX_TYPES_H
       3             : 
       4             : #include <linux/stddef.h>
       5             : 
       6             : /*
       7             :  * This allows for 1024 file descriptors: if NR_OPEN is ever grown
       8             :  * beyond that you'll have to change this too. But 1024 fd's seem to be
       9             :  * enough even for such "real" unices like OSF/1, so hopefully this is
      10             :  * one limit that doesn't have to be changed [again].
      11             :  *
      12             :  * Note that POSIX wants the FD_CLEAR(fd,fdsetp) defines to be in
      13             :  * <sys/time.h> (and thus <linux/time.h>) - but this is a more logical
      14             :  * place for them. Solved by having dummy defines in <sys/time.h>.
      15             :  */
      16             : 
      17             : /*
      18             :  * Those macros may have been defined in <gnu/types.h>. But we always
      19             :  * use the ones here. 
      20             :  */
      21             : #undef __NFDBITS
      22             : #define __NFDBITS       (8 * sizeof(unsigned long))
      23             : 
      24             : #undef __FD_SETSIZE
      25             : #define __FD_SETSIZE    1024
      26             : 
      27             : #undef __FDSET_LONGS
      28             : #define __FDSET_LONGS   (__FD_SETSIZE/__NFDBITS)
      29             : 
      30             : #undef __FDELT
      31             : #define __FDELT(d)      ((d) / __NFDBITS)
      32             : 
      33             : #undef __FDMASK
      34             : #define __FDMASK(d)     (1UL << ((d) % __NFDBITS))
      35             : 
      36             : typedef struct {
      37             :         unsigned long fds_bits [__FDSET_LONGS];
      38           2 : } __kernel_fd_set;
      39             : 
      40             : /* Type of a signal handler.  */
      41             : typedef void (*__kernel_sighandler_t)(int);
      42             : 
      43             : /* Type of a SYSV IPC key.  */
      44             : typedef int __kernel_key_t;
      45             : typedef int __kernel_mqd_t;
      46             : 
      47             : #include <asm/posix_types.h>
      48             : 
      49             : #endif /* _LINUX_POSIX_TYPES_H */

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