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Add epoll and do more release readiness changes

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This change also pays off some of the remaining technical debt with
stdio, file descriptors, and memory managemnt polyfills.
This commit is contained in:
Justine Tunney
2020-11-28 12:01:51 -08:00
parent a9ea949df8
commit 3e4fd4b0ad
271 changed files with 5706 additions and 1365 deletions
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20
libc/calls/writev.c
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@@ -22,7 +22,7 @@
#include "libc/calls/internal.h"
#include "libc/sock/internal.h"
#include "libc/sysv/errfuns.h"
#include "libc/zipos/zipos.h"
#include "libc/zipos/zipos.internal.h"
/**
* Writes data from multiple buffers.
@@ -35,19 +35,19 @@
* @return number of bytes actually handed off, or -1 w/ errno
*/
ssize_t writev(int fd, const struct iovec *iov, int iovlen) {
if (!IsTrustworthy()) {
if (fd == -1) return einval();
if (iovlen < 0) return einval();
}
if (isfdkind(fd, kFdZip)) {
if (fd < 0) return einval();
if (iovlen < 0) return einval();
if (fd < g_fds.n && g_fds.p[fd].kind == kFdZip) {
return weaken(__zipos_write)(
(struct ZiposHandle *)(intptr_t)g_fds.p[fd].handle, iov, iovlen, -1);
}
if (!IsWindows()) {
} else if (fd < g_fds.n && g_fds.p[fd].kind == kFdSerial) {
return writev$serial(&g_fds.p[fd], iov, iovlen);
} else if (!IsWindows()) {
return writev$sysv(fd, iov, iovlen);
} else if (isfdkind(fd, kFdFile) || isfdkind(fd, kFdConsole)) {
} else if (fd < g_fds.n &&
(g_fds.p[fd].kind == kFdFile || g_fds.p[fd].kind == kFdConsole)) {
return write$nt(&g_fds.p[fd], iov, iovlen, -1);
} else if (isfdkind(fd, kFdSocket)) {
} else if (fd < g_fds.n && g_fds.p[fd].kind == kFdSocket) {
return weaken(sendto$nt)(&g_fds.p[fd], iov, iovlen, 0, NULL, 0);
} else {
return ebadf();