08-24-2007
You might have to explain the logic again to the group, the giving the code wouldn't help.
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Hi,
Program A: uses pipe()
I am able to read the stdout of PROGAM B (stdout got through system() command) into PROGRAM A using:
* child
-> dup2(fd, STDOUT_FILENO);
-> execl("/path/PROGRAM B", "PROGRAM B", NULL);
* parent
-> char line;
-> read(fd, line, 100);
Question:
---------... (1 Reply)
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2. UNIX for Dummies Questions & Answers
Hi,
Program A: uses pipe()
I am able to read the stdout of PROGAM B (stdout got through system() command) into PROGRAM A using:
* child
-> dup2(fd, STDOUT_FILENO);
-> execl("/path/PROGRAM B", "PROGRAM B", NULL);
* parent
-> char line;
-> read(fd, line, 100);
Question:
---------... (3 Replies)
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Hi,
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LEARN ABOUT REDHAT
pvmflvgrp
LVGROUP(3PVM) PVM Version 3.4 LVGROUP(3PVM)
NAME
pvm_lvgroup - Unenrolls the calling process from a named group.
SYNOPSIS
C int info = pvm_lvgroup( char *group )
Fortran call pvmflvgroup( group, info )
PARAMETERS
group Character string group name of an existing group.
info Integer status code returned by the routine. Values less than zero indicate an error.
DESCRIPTION
The routine pvm_lvgroup unenrolls the calling process from the group named group. If there is an error info will be negative.
If a process leaves a group by calling either pvm_lvgroup or pvm_exit, and later rejoins the same group, the process may be assigned a new
instance number. Old instance numbers are reassigned to processes calling pvm_joingroup.
EXAMPLES
C:
info = pvm_lvgroup( "worker" );
Fortran:
CALL PVMFLVGROUP( 'group2', INFO )
ERRORS
These error conditions can be returned by pvm_lvgroup
PvmSysErr
pvmd not responding.
PvmBadParam
giving a NULL group name.
PvmNoGroup
giving a non-existent group name.
PvmNotInGroup
asking to leave a group you are not a member of.
SEE ALSO
pvm_joingroup(3PVM)
30 August, 1993 LVGROUP(3PVM)