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path: root/erts/etc/common/to_erl_common.c
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-rw-r--r--erts/etc/common/to_erl_common.c128
1 files changed, 116 insertions, 12 deletions
diff --git a/erts/etc/common/to_erl_common.c b/erts/etc/common/to_erl_common.c
index 4c38877277..1b2f27fa04 100644
--- a/erts/etc/common/to_erl_common.c
+++ b/erts/etc/common/to_erl_common.c
@@ -49,10 +49,19 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <termios.h>
#include <dirent.h>
-#include <signal.h>
#include <errno.h>
+
+#ifdef __OSE__
+#include <aio.h>
+#include "ose.h"
+#include "efs.h"
+#include "ose_spi/fm.sig"
+#else /* __UNIX__ */
+#include <termios.h>
+#include <signal.h>
+#endif
+
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
@@ -78,7 +87,11 @@
#define noDEBUG
+#ifdef __OSE__
+#define PIPE_DIR "/pipe/"
+#else
#define PIPE_DIR "/tmp/"
+#endif
#define PIPE_STUBNAME "erlang.pipe"
#define PIPE_STUBLEN strlen(PIPE_STUBNAME)
@@ -92,14 +105,38 @@
#define FILENAME_MAX 250
#endif
-static struct termios tty_smode, tty_rmode;
static int tty_eof = 0;
-static int recv_sig = 0;
static int protocol_ver = RUN_ERL_LO_VER; /* assume lowest to begin with */
static int write_all(int fd, const char* buf, int len);
-static int window_size_seq(char* buf, size_t bufsz);
static int version_handshake(char* buf, int len, int wfd);
+
+
+#ifdef __OSE__
+
+#define SET_AIO(REQ,FD,SIZE,BUFF) \
+ /* Make sure to clean data structure of previous request */ \
+ memset(&(REQ),0,sizeof(REQ)); \
+ (REQ).aio_fildes = FD; \
+ (REQ).aio_offset = FM_POSITION_CURRENT; \
+ (REQ).aio_nbytes = SIZE; \
+ (REQ).aio_buf = BUFF; \
+ (REQ).aio_sigevent.sigev_notify = SIGEV_NONE
+
+#define READ_AIO(REQ,FD,SIZE,BUFF) \
+ SET_AIO(REQ,FD,SIZE,BUFF); \
+ if (aio_read(&(REQ)) != 0) \
+ fprintf(stderr,"aio_read of child_read_req(%d) failed\n",FD)
+
+union SIGNAL {
+ SIGSELECT signo;
+ struct FmReadPtr fm_read_ptr;
+};
+
+#else /* __UNIX__ */
+static int recv_sig = 0;
+static struct termios tty_smode, tty_rmode;
+static int window_size_seq(char* buf, size_t bufsz);
#ifdef DEBUG
static void show_terminal_settings(struct termios *);
#endif
@@ -115,6 +152,7 @@ static void handle_sigwinch(int sig)
{
recv_sig = SIGWINCH;
}
+#endif
static void usage(char *pname)
{
@@ -126,13 +164,22 @@ int to_erl(int argc, char **argv)
{
char FIFO1[FILENAME_MAX], FIFO2[FILENAME_MAX];
int i, len, wfd, rfd;
- fd_set readfds;
- char buf[BUFSIZ];
char pipename[FILENAME_MAX];
int pipeIx = 1;
int force_lock = 0;
int got_some = 0;
+#ifdef __OSE__
+ struct aiocb stdin_read_req, pipe_read_req;
+ FmHandle stdin_fh, pipe_fh;
+ char *stdin_buf, *pipe_buf;
+ char *buf;
+ union SIGNAL *sig;
+#else /* __UNIX__ */
+ char buf[BUFSIZ];
+ fd_set readfds;
+#endif
+
if (argc >= 2 && argv[1][0]=='-') {
switch (argv[1][1]) {
case 'h':
@@ -149,7 +196,13 @@ int to_erl(int argc, char **argv)
}
#ifdef DEBUG
- fprintf(stderr, "%s: pid is : %d\n", argv[0], (int)getpid());
+ fprintf(stderr, "%s: pid is : %d\n", argv[0],(int)
+#ifdef __OSE__
+ current_process()
+#else /* __UNIX__ */
+ getpid()
+#endif
+ );
#endif
strn_cpy(pipename, sizeof(pipename),
@@ -187,6 +240,7 @@ int to_erl(int argc, char **argv)
/* write FIFO */
sn_printf(FIFO2,sizeof(FIFO2),"%s.w",pipename);
+#ifndef __OSE__
/* Check that nobody is running to_erl on this pipe already */
if ((wfd = open (FIFO1, O_WRONLY|DONT_BLOCK_PLEASE, 0)) >= 0) {
/* Open as server succeeded -- to_erl is already running! */
@@ -200,6 +254,7 @@ int to_erl(int argc, char **argv)
exit(1);
}
}
+#endif
if ((rfd = open (FIFO1, O_RDONLY|DONT_BLOCK_PLEASE, 0)) < 0) {
#ifdef DEBUG
@@ -226,6 +281,7 @@ int to_erl(int argc, char **argv)
fprintf(stderr, "Attaching to %s (^D to exit)\n\n", pipename);
+#ifndef __OSE__
/* Set break handler to our handler */
signal(SIGINT,handle_ctrlc);
@@ -344,6 +400,8 @@ int to_erl(int argc, char **argv)
#ifdef DEBUG
show_terminal_settings(&tty_smode);
#endif
+
+#endif /* !__OSE__ */
/*
* "Write a ^L to the FIFO which causes the other end to redisplay
* the input line."
@@ -357,10 +415,22 @@ int to_erl(int argc, char **argv)
fprintf(stderr, "Error in writing ^L to FIFO.\n");
}
+#ifdef __OSE__
+ /* we have a tiny stack so we malloc the buffers */
+ stdin_buf = malloc(sizeof(char) * BUFSIZ);
+ pipe_buf = malloc(sizeof(char) * BUFSIZ);
+
+ efs_examine_fd(rfd,FLIB_FD_HANDLE,&pipe_fh);
+ efs_examine_fd(0,FLIB_FD_HANDLE,&stdin_fh);
+ READ_AIO(stdin_read_req,0,BUFSIZ,stdin_buf);
+ READ_AIO(pipe_read_req,rfd,BUFSIZ,pipe_buf);
+#endif
+
/*
* read and write
*/
while (1) {
+#ifndef __OSE__
FD_ZERO(&readfds);
FD_SET(0, &readfds);
FD_SET(rfd, &readfds);
@@ -393,8 +463,21 @@ int to_erl(int argc, char **argv)
}
recv_sig = 0;
}
- else if (FD_ISSET(0, &readfds)) {
+ else
+#else /* __OSE__ */
+ SIGSELECT sigsel[] = {0};
+ sig = receive(sigsel);
+ len = 0;
+#endif
+#ifndef __OSE__
+ if (FD_ISSET(0,&readfds)) {
len = read(0, buf, sizeof(buf));
+#else /* __OSE__ */
+ if (sig->signo == FM_READ_PTR_REPLY &&
+ sig->fm_read_ptr.handle == stdin_fh) {
+ len = sig->fm_read_ptr.status == EFS_SUCCESS ? sig->fm_read_ptr.actual : -1;
+ buf = sig->fm_read_ptr.buffer;
+#endif
if (len <= 0) {
close(rfd);
close(wfd);
@@ -406,7 +489,7 @@ int to_erl(int argc, char **argv)
break;
}
/* check if there is an eof character in input */
- for (i = 0; i < len && buf[i] != tty_eof; i++);
+ for (i = 0; i < len-1 && buf[i] != tty_eof; i++);
if (buf[i] == tty_eof) {
fprintf(stderr, "[Quit]\n\r");
break;
@@ -424,14 +507,25 @@ int to_erl(int argc, char **argv)
break;
}
STATUS("\" OK\r\n");
+#ifdef __OSE__
+ aio_dispatch(sig);
+ READ_AIO(stdin_read_req, 0, BUFSIZ, stdin_buf);
+#endif
}
/*
* Read from FIFO, write to terminal.
*/
+#ifndef __OSE__
if (FD_ISSET(rfd, &readfds)) {
STATUS("FIFO read: ");
len = read(rfd, buf, BUFSIZ);
+#else /* __OSE__ */
+ if (sig->signo == FM_READ_PTR_REPLY &&
+ sig->fm_read_ptr.handle == pipe_fh) {
+ len = sig->fm_read_ptr.status == EFS_SUCCESS ? sig->fm_read_ptr.actual : -1;
+ buf = sig->fm_read_ptr.buffer;
+#endif
if (len < 0 && errno == EAGAIN) {
/*
* No data this time, but the writing end of the FIFO is still open.
@@ -457,11 +551,13 @@ int to_erl(int argc, char **argv)
close(wfd);
break;
}
+#ifndef __OSE__
if (protocol_ver >= 1) {
/* Tell run_erl size of terminal window */
signal(SIGWINCH, handle_sigwinch);
raise(SIGWINCH);
}
+#endif
got_some = 1;
}
@@ -476,15 +572,21 @@ int to_erl(int argc, char **argv)
break;
}
STATUS("\" OK\r\n");
+#ifdef __OSE__
+ aio_dispatch(sig);
+ READ_AIO(pipe_read_req, rfd, BUFSIZ, pipe_buf);
+#endif
}
}
}
+#ifndef __OSE__
/*
* Reset terminal characterstics
* XXX
*/
tcsetattr(0, TCSADRAIN, &tty_rmode);
+#endif
return 0;
}
@@ -506,6 +608,7 @@ static int write_all(int fd, const char* buf, int len)
return len;
}
+#ifndef __OSE__
static int window_size_seq(char* buf, size_t bufsz)
{
#ifdef TIOCGWINSZ
@@ -523,6 +626,7 @@ static int window_size_seq(char* buf, size_t bufsz)
#endif /* TIOCGWINSZ */
return 0;
}
+#endif /* !__OSE__ */
/* to_erl run_erl
* | |
@@ -574,7 +678,7 @@ static int version_handshake(char* buf, int len, int wfd)
}
-#ifdef DEBUG
+#if defined(DEBUG) && !defined(__OSE__)
#define S(x) ((x) > 0 ? 1 : 0)
static void show_terminal_settings(struct termios *t)
@@ -604,4 +708,4 @@ static void show_terminal_settings(struct termios *t)
fprintf(stderr,"c_cc:\n");
fprintf(stderr,"c_cc[VEOF] %d\n", t->c_cc[VEOF]);
}
-#endif
+#endif /* DEBUG && !__OSE__ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 12:58:13 +0000