diff options
Diffstat (limited to 'src/stdio')
| -rw-r--r-- | src/stdio/__stdio_read.c | 11 | ||||
| -rw-r--r-- | src/stdio/__stdio_write.c | 20 | ||||
| -rw-r--r-- | src/stdio/fopen.c | 2 |
3 files changed, 28 insertions, 5 deletions
diff --git a/src/stdio/__stdio_read.c b/src/stdio/__stdio_read.c index 218bd88d..ee17a576 100644 --- a/src/stdio/__stdio_read.c +++ b/src/stdio/__stdio_read.c @@ -1,4 +1,11 @@ #include "stdio_impl.h" +#include <pthread.h> + +static void cleanup(void *p) +{ + FILE *f = p; + if (!f->lockcount) __unlockfile(f); +} size_t __stdio_read(FILE *f, unsigned char *buf, size_t len) { @@ -8,7 +15,9 @@ size_t __stdio_read(FILE *f, unsigned char *buf, size_t len) }; ssize_t cnt; - cnt = syscall(SYS_readv, f->fd, iov, 2); + pthread_cleanup_push(cleanup, f); + cnt = syscall_cp(SYS_readv, f->fd, iov, 2); + pthread_cleanup_pop(0); if (cnt <= 0) { f->flags |= F_EOF ^ ((F_ERR^F_EOF) & cnt); f->rpos = f->rend = 0; diff --git a/src/stdio/__stdio_write.c b/src/stdio/__stdio_write.c index 63d9c858..dd97cf68 100644 --- a/src/stdio/__stdio_write.c +++ b/src/stdio/__stdio_write.c @@ -1,4 +1,11 @@ #include "stdio_impl.h" +#include <pthread.h> + +static void cleanup(void *p) +{ + FILE *f = p; + if (!f->lockcount) __unlockfile(f); +} size_t __stdio_write(FILE *f, const unsigned char *buf, size_t len) { @@ -10,10 +17,14 @@ size_t __stdio_write(FILE *f, const unsigned char *buf, size_t len) size_t rem = iov[0].iov_len + iov[1].iov_len; int iovcnt = 2; ssize_t cnt; - f->wpos = f->wbase; for (;;) { - cnt = syscall(SYS_writev, f->fd, iov, iovcnt); - if (cnt == rem) return len; + pthread_cleanup_push(cleanup, f); + cnt = syscall_cp(SYS_writev, f->fd, iov, iovcnt); + pthread_cleanup_pop(0); + if (cnt == rem) { + f->wpos = f->wbase = f->buf; + return len; + } if (cnt < 0) { f->wpos = f->wbase = f->wend = 0; f->flags |= F_ERR; @@ -21,8 +32,11 @@ size_t __stdio_write(FILE *f, const unsigned char *buf, size_t len) } rem -= cnt; if (cnt > iov[0].iov_len) { + f->wpos = f->wbase = f->buf; cnt -= iov[0].iov_len; iov++; iovcnt--; + } else if (iovcnt == 2) { + f->wbase += cnt; } iov[0].iov_base = (char *)iov[0].iov_base + cnt; iov[0].iov_len -= cnt; diff --git a/src/stdio/fopen.c b/src/stdio/fopen.c index 469de6f0..084cc73c 100644 --- a/src/stdio/fopen.c +++ b/src/stdio/fopen.c @@ -21,7 +21,7 @@ FILE *fopen(const char *filename, const char *mode) if (*mode == 'w') flags |= O_TRUNC; if (*mode == 'a') flags |= O_APPEND; - fd = syscall(SYS_open, filename, flags|O_LARGEFILE, 0666); + fd = syscall_cp(SYS_open, filename, flags|O_LARGEFILE, 0666); if (fd < 0) return 0; f = __fdopen(fd, mode); |