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syscalls: misc fixes

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Matheus
2023-07-05 00:03:13 -03:00
parent f31295460c
commit c0fdd5700e
5 changed files with 16 additions and 17 deletions
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kernel-src/sys/syscalls/pipe2.c
+5 -6
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@@ -15,8 +15,7 @@ static void open(file_t *file, vnode_t *node, int flags) {
}
syscallret_t syscall_pipe2(context_t *, int flags) {
// TODO support them
__assert(flags == 0);
__assert((flags & ~(O_CLOEXEC | O_NONBLOCK)) == 0);
syscallret_t ret = {
.ret = -1
};
@@ -33,17 +32,17 @@ syscallret_t syscall_pipe2(context_t *, int flags) {
// node held again because two files will point to the same node
VOP_HOLD(node);
ret.errno = fd_new(0, &readfile, &readfd);
ret.errno = fd_new(flags & O_CLOEXEC, &readfile, &readfd);
if (ret.errno)
goto error;
open(readfile, node, FILE_READ);
open(readfile, node, FILE_READ | (flags & O_NONBLOCK));
ret.errno = fd_new(0, &writefile, &writefd);
ret.errno = fd_new(flags & O_CLOEXEC, &writefile, &writefd);
if (ret.errno)
goto error;
open(writefile, node, FILE_WRITE);
open(writefile, node, FILE_WRITE | (flags & O_NONBLOCK));
ret.errno = 0;
ret.ret = (uint64_t)readfd | ((uint64_t)writefd << 32);