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Kernel: Yet more work on bringing up POSIX SHM.

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This commit is contained in:
Andreas Kling 2019-04-09 02:37:05 +02:00
parent d6ff64db00
commit 60a819c14a
7 changed files with 97 additions and 9 deletions
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13
Kernel/Process.cpp
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@ -22,6 +22,7 @@
#include <Kernel/TTY/MasterPTY.h>
#include <Kernel/ELF/exec_elf.h>
#include <AK/StringBuilder.h>
#include <Kernel/SharedMemory.h>
//#define DEBUG_IO
//#define TASK_DEBUG
@ -2459,14 +2460,22 @@ int Process::sys$shm_open(const char* name, int flags, mode_t mode)
{
if (!validate_read_str(name))
return -EFAULT;
return -ENOTIMPL;
int fd = alloc_fd();
if (fd < 0)
return fd;
auto shm_or_error = SharedMemory::open(String(name), flags, mode);
if (shm_or_error.is_error())
return shm_or_error.error();
auto descriptor = FileDescriptor::create(shm_or_error.value().ptr());
m_fds[fd].set(move(descriptor), FD_CLOEXEC);
return fd;
}
int Process::sys$shm_unlink(const char* name)
{
if (!validate_read_str(name))
return -EFAULT;
return -ENOTIMPL;
return SharedMemory::unlink(String(name));
}
int Process::sys$ftruncate(int fd, off_t length)