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Luna/libs/libc/include/fcntl.h

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libc: Implement wrappers for sys_{open,read,write} read() and close() are in unistd.h, but open() in fnctl.h. I thought only the definitions for O_SOMETHING were in fnctl.h, but it is as it is. Don't know why, but let's not anger the Unix gods. The FILE* C API is pending as well.
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#ifndef _FCNTL_H
#define _FCNTL_H
libc: Document the function in fcntl.h
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/* Open for reading only. */
libc: Implement wrappers for sys_{open,read,write} read() and close() are in unistd.h, but open() in fnctl.h. I thought only the definitions for O_SOMETHING were in fnctl.h, but it is as it is. Don't know why, but let's not anger the Unix gods. The FILE* C API is pending as well.
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#define O_RDONLY 1
libc: Document the function in fcntl.h
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/* Open for writing only. */
libc: Add new flags to open() Since we now have write support, we can add O_WRONLY and O_RDWR to fcntl.h :)
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#define O_WRONLY 2
libc: Document the function in fcntl.h
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/* Open for reading and writing. */
libc: Add new flags to open() Since we now have write support, we can add O_WRONLY and O_RDWR to fcntl.h :)
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#define O_RDWR 3
Kernel, libc: Implement O_NONBLOCK
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/* Open without blocking. */
#define O_NONBLOCK 4
Kernel, libc: Implement O_CLOEXEC
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/* Close the opened file descriptor on a call to execve(). */
#define O_CLOEXEC 8
Kernel, libc: Implement O_DIRECTORY and use that in dirent.h
2022-10-23 12:46:27 +00:00
/* Refuse to open the file if it is not a directory. */
#define O_DIRECTORY 16
Kernel, libc: Add O_APPEND and stub out O_CREAT and O_TRUNC
2022-10-27 05:43:55 +00:00
/* Truncate the file on open. */
#define O_TRUNC 32
/* Create the file if it doesn't exist. */
#define O_CREAT 64
/* Open the file for appending. */
#define O_APPEND 128
Kernel, libc: Add O_EXCL
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/* Fail to open the file if it already exists. */
#define O_EXCL 256
libc: Implement wrappers for sys_{open,read,write} read() and close() are in unistd.h, but open() in fnctl.h. I thought only the definitions for O_SOMETHING were in fnctl.h, but it is as it is. Don't know why, but let's not anger the Unix gods. The FILE* C API is pending as well.
2022-10-10 18:45:26 +00:00
libc: Implement fcntl(F_DUPFD) and dup()
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/* Duplicate a file descriptor. */
#define F_DUPFD 0
Kernel, libc: Add isatty() and F_ISTTY to fcntl()
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/* Is a file descriptor a TTY? */
#define F_ISTTY 1
Kernel, libc: Add F_GETFD, F_SETFD and FD_CLOEXEC
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/* Get the file descriptor flags. */
#define F_GETFD 2
/* Set the file descriptor flags. */
#define F_SETFD 3
/* Close the file descriptor on a call to execve(). */
#define FD_CLOEXEC 1
libc: Implement fcntl(F_DUPFD) and dup()
2022-10-15 09:16:34 +00:00
libc: Implement wrappers for sys_{open,read,write} read() and close() are in unistd.h, but open() in fnctl.h. I thought only the definitions for O_SOMETHING were in fnctl.h, but it is as it is. Don't know why, but let's not anger the Unix gods. The FILE* C API is pending as well.
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#ifdef __cplusplus
extern "C"
{
#endif
libc: Document the function in fcntl.h
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/* Opens the file specified by pathname. Returns a file descriptor on success, or -1 on error. */
open(): Add a third optional mode argument
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int open(const char* pathname, int flags, ...);
libc: Implement wrappers for sys_{open,read,write} read() and close() are in unistd.h, but open() in fnctl.h. I thought only the definitions for O_SOMETHING were in fnctl.h, but it is as it is. Don't know why, but let's not anger the Unix gods. The FILE* C API is pending as well.
2022-10-10 18:45:26 +00:00
libc: Implement fcntl(F_DUPFD) and dup()
2022-10-15 09:16:34 +00:00
/* Performs an operation on the file descriptor fd determined by cmd. */
int fcntl(int fd, int cmd, ...);
libc: Implement wrappers for sys_{open,read,write} read() and close() are in unistd.h, but open() in fnctl.h. I thought only the definitions for O_SOMETHING were in fnctl.h, but it is as it is. Don't know why, but let's not anger the Unix gods. The FILE* C API is pending as well.
2022-10-10 18:45:26 +00:00
#ifdef __cplusplus
}
#endif
#endif
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