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A bunch of compat work (mostly stubs but some real implementations, too.)

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Another pass at getting bash-1.14.7 to build. Not that many symbols remain.
This commit is contained in:
Andreas Kling 2018-11-11 00:20:53 +01:00
parent 6a0a2c9ab4
commit 3b2f172d48
9 changed files with 134 additions and 2 deletions
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51
Kernel/Process.cpp
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@ -1035,6 +1035,23 @@ int Process::sys$close(int fd)
return rc;
}
int Process::sys$access(const char* pathname, int mode)
{
(void) mode;
VALIDATE_USER_READ(pathname, strlen(pathname));
ASSERT_NOT_REACHED();
}
int Process::sys$fstat(int fd, Unix::stat* statbuf)
{
VALIDATE_USER_WRITE(statbuf, sizeof(Unix::stat));
auto* descriptor = file_descriptor(fd);
if (!descriptor)
return -EBADF;
descriptor->stat(statbuf);
return 0;
}
int Process::sys$lstat(const char* path, Unix::stat* statbuf)
{
VALIDATE_USER_WRITE(statbuf, sizeof(Unix::stat));
@ -1139,6 +1156,36 @@ int Process::sys$open(const char* path, int options)
return fd;
}
int Process::sys$pipe(int* pipefd)
{
VALIDATE_USER_WRITE(pipefd, sizeof(int) * 2);
ASSERT_NOT_REACHED();
}
int Process::sys$killpg(int pgrp, int signum)
{
if (signum < 1 || signum >= 32)
return -EINVAL;
(void) pgrp;
ASSERT_NOT_REACHED();
}
int Process::sys$setuid(uid_t)
{
ASSERT_NOT_REACHED();
}
int Process::sys$setgid(gid_t)
{
ASSERT_NOT_REACHED();
}
unsigned Process::sys$alarm(unsigned seconds)
{
(void) seconds;
ASSERT_NOT_REACHED();
}
int Process::sys$uname(utsname* buf)
{
VALIDATE_USER_WRITE(buf, sizeof(utsname));
@ -1472,7 +1519,7 @@ int Process::sys$dup2(int old_fd, int new_fd)
Unix::sighandler_t Process::sys$signal(int signum, Unix::sighandler_t handler)
{
// FIXME: Fail with -EINVAL if attepmting to catch or ignore SIGKILL or SIGSTOP.
if (signum >= 32)
if (signum < 1 || signum >= 32)
return (Unix::sighandler_t)-EINVAL;
dbgprintf("sys$signal: %d => L%x\n", signum, handler);
return nullptr;
@ -1508,7 +1555,7 @@ int Process::sys$sigpending(Unix::sigset_t* set)
int Process::sys$sigaction(int signum, const Unix::sigaction* act, Unix::sigaction* old_act)
{
// FIXME: Fail with -EINVAL if attepmting to change action for SIGKILL or SIGSTOP.
if (signum >= 32)
if (signum < 1 || signum >= 32)
return -EINVAL;
VALIDATE_USER_READ(act, sizeof(Unix::sigaction));
InterruptDisabler disabler; // FIXME: This should use a narrower lock.