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Improve signal handling and math

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- Polyfill ucontext_t on FreeBSD/OpenBSD/NetBSD
- Add tests confirming signals can edit CPU state
- Work towards supporting ZIP filesystem on bare metal
- Add more tinymath unit tests for POSIX conformance
- Add X87 and SSE status flags to crash report
- Fix some bugs in blinkenlights
- Fix llvm build breakage
This commit is contained in:
Justine Tunney 2021-02-25 18:30:17 -08:00
parent cdc54ea1fd
commit 40291c9db3
109 changed files with 2316 additions and 520 deletions
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15
libc/calls/writev.c
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@ -39,16 +39,13 @@ ssize_t writev(int fd, const struct iovec *iov, int iovlen) {
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);
} else if (SupportsMetal() && fd < g_fds.n && g_fds.p[fd].kind == kFdSerial) {
return writev_serial(&g_fds.p[fd], iov, iovlen);
} else if (!IsWindows()) {
} else if (!IsWindows() && !IsMetal()) {
return sys_writev(fd, iov, iovlen);
} else if (fd < g_fds.n &&
(g_fds.p[fd].kind == kFdFile || g_fds.p[fd].kind == kFdConsole)) {
return sys_write_nt(&g_fds.p[fd], iov, iovlen, -1);
} else if (fd < g_fds.n && g_fds.p[fd].kind == kFdSocket) {
return weaken(sys_sendto_nt)(&g_fds.p[fd], iov, iovlen, 0, NULL, 0);
} else {
} else if (fd >= g_fds.n) {
return ebadf();
} else if (IsMetal()) {
return sys_writev_metal(g_fds.p + fd, iov, iovlen);
} else {
return sys_writev_nt(g_fds.p + fd, iov, iovlen);
}
}