25 lines
1 KiB
C
25 lines
1 KiB
C
/* An interface to write() that retries after interrupts.
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Copyright (C) 2002, 2009-2010 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <stddef.h>
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#define SAFE_WRITE_ERROR ((size_t) -1)
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/* Write up to COUNT bytes at BUF to descriptor FD, retrying if interrupted.
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Return the actual number of bytes written, zero for EOF, or SAFE_WRITE_ERROR
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upon error. */
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extern size_t safe_write (int fd, const void *buf, size_t count);
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