aboutsummaryrefslogtreecommitdiffstats
path: root/erts/etc
diff options
context:
space:
mode:
Diffstat (limited to 'erts/etc')
-rw-r--r--erts/etc/common/heart.c6
-rw-r--r--erts/etc/common/inet_gethost.c2
-rw-r--r--erts/etc/unix/run_erl.c80
-rw-r--r--erts/etc/unix/to_erl.c8
4 files changed, 59 insertions, 37 deletions
diff --git a/erts/etc/common/heart.c b/erts/etc/common/heart.c
index 778b3569c7..7a5746e630 100644
--- a/erts/etc/common/heart.c
+++ b/erts/etc/common/heart.c
@@ -727,16 +727,16 @@ static int
heart_cmd_reply(int fd, char *s)
{
struct msg m;
- int len = strlen(s) + 1; /* Include \0 */
+ int len = strlen(s);
/* if s >= MSG_BODY_SIZE, return a write
* failure immediately.
*/
- if (len > sizeof(m.fill))
+ if (len >= sizeof(m.fill))
return -1;
m.op = HEART_CMD;
- m.len = htons(len + 2); /* Include Op */
+ m.len = htons(len + 1); /* Include Op */
strcpy((char*)m.fill, s);
return write_message(fd, &m);
diff --git a/erts/etc/common/inet_gethost.c b/erts/etc/common/inet_gethost.c
index 8bd9368aa1..18ccf974aa 100644
--- a/erts/etc/common/inet_gethost.c
+++ b/erts/etc/common/inet_gethost.c
@@ -1297,7 +1297,7 @@ static int read_request(AddrByte **buff, size_t *buff_size)
}
if (siz > *buff_size) {
- if (buff_size == 0) {
+ if (*buff_size == 0) {
*buff = ALLOC((*buff_size = siz));
} else {
*buff = REALLOC(*buff, (*buff_size = siz));
diff --git a/erts/etc/unix/run_erl.c b/erts/etc/unix/run_erl.c
index cadff12c6f..8db8e09bee 100644
--- a/erts/etc/unix/run_erl.c
+++ b/erts/etc/unix/run_erl.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2010. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2011. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -221,6 +221,8 @@ int main(int argc, char **argv)
char *p, *ptyslave=NULL;
int i = 1;
int off_argv;
+ int calculated_pipename = 0;
+ int highest_pipe_num = 0;
program_name = argv[0];
@@ -298,10 +300,10 @@ int main(int argc, char **argv)
if(*pipename && pipename[strlen(pipename)-1] == '/') {
/* The user wishes us to find a unique pipe name in the specified */
/* directory */
- int highest_pipe_num = 0;
DIR *dirp;
struct dirent *direntp;
+ calculated_pipename = 1;
dirp = opendir(pipename);
if(!dirp) {
ERRNO_ERR1(LOG_ERR,"Can't access pipe directory '%s'.", pipename);
@@ -322,28 +324,37 @@ int main(int argc, char **argv)
PIPE_STUBNAME, highest_pipe_num+1);
} /* if */
- /* write FIFO - is read FIFO for `to_erl' program */
- strn_cpy(fifo1, sizeof(fifo1), pipename);
- strn_cat(fifo1, sizeof(fifo1), ".r");
- if (create_fifo(fifo1, PERM) < 0) {
- ERRNO_ERR1(LOG_ERR,"Cannot create FIFO %s for writing.", fifo1);
- exit(1);
- }
-
- /* read FIFO - is write FIFO for `to_erl' program */
- strn_cpy(fifo2, sizeof(fifo2), pipename);
- strn_cat(fifo2, sizeof(fifo2), ".w");
-
- /* Check that nobody is running run_erl already */
- if ((fd = open (fifo2, O_WRONLY|DONT_BLOCK_PLEASE, 0)) >= 0) {
- /* Open as client succeeded -- run_erl is already running! */
- fprintf(stderr, "Erlang already running on pipe %s.\n", pipename);
- close(fd);
- exit(1);
- }
- if (create_fifo(fifo2, PERM) < 0) {
- ERRNO_ERR1(LOG_ERR,"Cannot create FIFO %s for reading.", fifo2);
- exit(1);
+ for(;;) {
+ /* write FIFO - is read FIFO for `to_erl' program */
+ strn_cpy(fifo1, sizeof(fifo1), pipename);
+ strn_cat(fifo1, sizeof(fifo1), ".r");
+ if (create_fifo(fifo1, PERM) < 0) {
+ ERRNO_ERR1(LOG_ERR,"Cannot create FIFO %s for writing.", fifo1);
+ exit(1);
+ }
+
+ /* read FIFO - is write FIFO for `to_erl' program */
+ strn_cpy(fifo2, sizeof(fifo2), pipename);
+ strn_cat(fifo2, sizeof(fifo2), ".w");
+
+ /* Check that nobody is running run_erl already */
+ if ((fd = open (fifo2, O_WRONLY|DONT_BLOCK_PLEASE, 0)) >= 0) {
+ /* Open as client succeeded -- run_erl is already running! */
+ close(fd);
+ if (calculated_pipename) {
+ ++highest_pipe_num;
+ strn_catf(pipename, sizeof(pipename), "%s.%d",
+ PIPE_STUBNAME, highest_pipe_num+1);
+ continue;
+ }
+ fprintf(stderr, "Erlang already running on pipe %s.\n", pipename);
+ exit(1);
+ }
+ if (create_fifo(fifo2, PERM) < 0) {
+ ERRNO_ERR1(LOG_ERR,"Cannot create FIFO %s for reading.", fifo2);
+ exit(1);
+ }
+ break;
}
/*
@@ -980,9 +991,7 @@ static int open_pty_master(char **ptyslave)
static int open_pty_slave(char *name)
{
int sfd;
-#ifdef DEBUG
struct termios tty_rmode;
-#endif
if ((sfd = open(name, O_RDWR, 0)) < 0) {
return -1;
@@ -1008,6 +1017,25 @@ static int open_pty_slave(char *name)
}
#endif
+ if (getenv("RUN_ERL_DISABLE_FLOWCNTRL")) {
+ if (tcgetattr(sfd, &tty_rmode) < 0) {
+ fprintf(stderr, "Cannot get terminal's current mode\n");
+ exit(-1);
+ }
+
+ tty_rmode.c_iflag &= ~IXOFF;
+ if (tcsetattr(sfd, TCSANOW, &tty_rmode) < 0) {
+ fprintf(stderr, "Cannot disable terminal's flow control on input\n");
+ exit(-1);
+ }
+
+ tty_rmode.c_iflag &= ~IXON;
+ if (tcsetattr(sfd, TCSANOW, &tty_rmode) < 0) {
+ fprintf(stderr, "Cannot disable terminal's flow control on output\n");
+ exit(-1);
+ }
+ }
+
#ifdef DEBUG
if (tcgetattr(sfd, &tty_rmode) < 0) {
fprintf(stderr, "Cannot get terminals current mode\n");
diff --git a/erts/etc/unix/to_erl.c b/erts/etc/unix/to_erl.c
index 886b301997..b7c3c956c6 100644
--- a/erts/etc/unix/to_erl.c
+++ b/erts/etc/unix/to_erl.c
@@ -125,7 +125,7 @@ static void usage(char *pname)
int main(int argc, char **argv)
{
char FIFO1[FILENAME_MAX], FIFO2[FILENAME_MAX];
- int i, len, wfd, rfd, result = 0;
+ int i, len, wfd, rfd;
fd_set readfds;
char buf[BUFSIZ];
char pipename[FILENAME_MAX];
@@ -367,7 +367,6 @@ int main(int argc, char **argv)
}
else {
fprintf(stderr, "Error in select.\n");
- result = -1;
break;
}
}
@@ -398,7 +397,6 @@ int main(int argc, char **argv)
close(wfd);
if (len < 0) {
fprintf(stderr, "Error in reading from stdin.\n");
- result = -1;
} else {
fprintf(stderr, "[EOF]\n\r");
}
@@ -420,7 +418,6 @@ int main(int argc, char **argv)
fprintf(stderr, "Error in writing to FIFO.\n");
close(rfd);
close(wfd);
- result = -1;
break;
}
STATUS("\" OK\r\n");
@@ -447,7 +444,6 @@ int main(int argc, char **argv)
close(wfd);
if (len < 0) {
fprintf(stderr, "Error in reading from FIFO.\n");
- result = -1;
} else
fprintf(stderr, "[End]\n\r");
break;
@@ -456,7 +452,6 @@ int main(int argc, char **argv)
if ((len=version_handshake(buf,len,wfd)) < 0) {
close(rfd);
close(wfd);
- result = -1;
break;
}
if (protocol_ver >= 1) {
@@ -475,7 +470,6 @@ int main(int argc, char **argv)
fprintf(stderr, "Error in writing to terminal.\n");
close(rfd);
close(wfd);
- result = -1;
break;
}
STATUS("\" OK\r\n");
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-19 01:22:04 +0000