diff options
Diffstat (limited to 'tools/perf/util')
-rw-r--r-- | tools/perf/util/util.c | 40 | ||||
-rw-r--r-- | tools/perf/util/util.h | 4 |
2 files changed, 1 insertions, 43 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index a61535cf1bca..9c3c97697387 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -384,46 +384,6 @@ int copyfile(const char *from, const char *to) return copyfile_mode(from, to, 0755); } -static ssize_t ion(bool is_read, int fd, void *buf, size_t n) -{ - void *buf_start = buf; - size_t left = n; - - while (left) { - /* buf must be treated as const if !is_read. */ - ssize_t ret = is_read ? read(fd, buf, left) : - write(fd, buf, left); - - if (ret < 0 && errno == EINTR) - continue; - if (ret <= 0) - return ret; - - left -= ret; - buf += ret; - } - - BUG_ON((size_t)(buf - buf_start) != n); - return n; -} - -/* - * Read exactly 'n' bytes or return an error. - */ -ssize_t readn(int fd, void *buf, size_t n) -{ - return ion(true, fd, buf, n); -} - -/* - * Write exactly 'n' bytes or return an error. - */ -ssize_t writen(int fd, const void *buf, size_t n) -{ - /* ion does not modify buf. */ - return ion(false, fd, (void *)buf, n); -} - size_t hex_width(u64 v) { size_t n = 1; diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index dc7a469921e9..0dab140c6517 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -11,6 +11,7 @@ #include <stddef.h> #include <linux/compiler.h> #include <sys/types.h> +#include <internal/lib.h> /* General helper functions */ void usage(const char *err) __noreturn; @@ -30,9 +31,6 @@ int copyfile_mode(const char *from, const char *to, mode_t mode); int copyfile_ns(const char *from, const char *to, struct nsinfo *nsi); int copyfile_offset(int ifd, loff_t off_in, int ofd, loff_t off_out, u64 size); -ssize_t readn(int fd, void *buf, size_t n); -ssize_t writen(int fd, const void *buf, size_t n); - size_t hex_width(u64 v); extern unsigned int page_size; |