The following example shows source code you can use to increase the hard limit:
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/types.h>
/*
** define MAX_CONNECTIONS to a number less than
** 10000. The number defined will then become the
** maximum number of connections allowed by an
** Adaptive Server.
*/
#define MAX_CONNECTIONS 9999
extern int errno;
main(argc,argv)
char **argv;
{
struct rlimit rlp;
uid_t uid;
rlp.rlim_cur = MAX_CONNECTIONS;
rlp.rlim_max = MAX_CONNECTIONS;
/* set the number of open file desriptors to
** MAX_CONNECTIONS */
if (setrlimit (RLIMIT_NOFILE,&rlp) == -1)
{
perror("setrlimit");
exit(1);
}
/* reset the user id to disable superuser
** privileges */
uid = getuid();
setuid(uid);
/* run the program */
execv(*++argv, argv);
}
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