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[/] [or1k/] [trunk/] [newlib/] [newlib/] [libc/] [reent/] [closer.c] - Rev 1775
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/* Reentrant version of close system call. */ #include <reent.h> #include <unistd.h> #include <_syslist.h> /* Some targets provides their own versions of this functions. Those targets should define REENTRANT_SYSCALLS_PROVIDED in TARGET_CFLAGS. */ #ifdef _REENT_ONLY #ifndef REENTRANT_SYSCALLS_PROVIDED #define REENTRANT_SYSCALLS_PROVIDED #endif #endif #ifndef REENTRANT_SYSCALLS_PROVIDED /* We use the errno variable used by the system dependent layer. */ #undef errno extern int errno; /* FUNCTION <<_close_r>>---Reentrant version of close INDEX _close_r ANSI_SYNOPSIS #include <reent.h> int _close_r(struct _reent *<[ptr]>, int <[fd]>); TRAD_SYNOPSIS #include <reent.h> int _close_r(<[ptr]>, <[fd]>) struct _reent *<[ptr]>; int <[fd]>; DESCRIPTION This is a reentrant version of <<close>>. It takes a pointer to the global data block, which holds <<errno>>. */ int _close_r (ptr, fd) struct _reent *ptr; int fd; { int ret; errno = 0; if ((ret = _close (fd)) == -1 && errno != 0) ptr->_errno = errno; return ret; } #endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */
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