618ee7838e
Add preadn() to provide pread() and readn() semantics. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/ab8918a4-7ac8-a37e-2e2c-28438c422d87@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
14 lines
357 B
C
14 lines
357 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __LIBPERF_INTERNAL_LIB_H
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#define __LIBPERF_INTERNAL_LIB_H
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#include <sys/types.h>
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extern unsigned int page_size;
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ssize_t readn(int fd, void *buf, size_t n);
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ssize_t writen(int fd, const void *buf, size_t n);
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ssize_t preadn(int fd, void *buf, size_t n, off_t offs);
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#endif /* __LIBPERF_INTERNAL_CPUMAP_H */
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