9pfs/solanum-vs-hackint-and-charybdis
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Allow fd limit change when rehashing

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This commit is contained in:
ManiacTwister 2017-01-18 23:04:56 +01:00
parent ef70f680c5
commit bec08a8364
3 changed files with 32 additions and 0 deletions
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1
include/ircd.h
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@ -106,6 +106,7 @@ extern int ircd_ssl_ok;
extern int ircd_zlib_ok;
extern int maxconnections;
extern void rehash_ulimit();
void ircd_shutdown(const char *reason) __attribute__((noreturn));
#endif

1
modules/m_rehash.c
View file

@ -354,6 +354,7 @@ do_rehash(struct Client *source_p, const char *type)
ilog(L_MAIN, "REHASH From %s[%s]", get_oper_name(source_p),
source_p->sockhost);
rehash(0);
rehash_ulimit();
remote_rehash_oper_p = NULL;
}
}

30
src/ircd.c
View file

@ -177,6 +177,35 @@ init_sys(void)
maxconnections = MAXCONNECTIONS;
}
void rehash_ulimit(void)
{
#if defined(RLIMIT_NOFILE) && defined(HAVE_SYS_RESOURCE_H)
struct rlimit limit;
if(!getrlimit(RLIMIT_NOFILE, &limit) && limit.rlim_cur != maxconnections)
{
if(limit.rlim_cur <= MAX_BUFFER)
{
fprintf(stderr, "ERROR: Shell FD limits are too low.\n");
fprintf(stderr, "ERROR: charybdis reserves %d FDs, shell limits must be above this\n", MAX_BUFFER);
fprintf(stderr, "ERROR: keeping old limits\n");
return;
} else if(limit.rlim_cur < maxconnections)
{
fprintf(stderr, "ERROR: ulimit decreased\n");
fprintf(stderr, "ERROR: keeping old limits\n");
return;
}
maxconnections = limit.rlim_cur;
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"Setting maxconnections to %d", maxconnections);
return;
}
#endif /* RLIMIT_FD_MAX */
}
static int
make_daemon(void)
{
@ -245,6 +274,7 @@ check_rehash(void *unused)
if(dorehash)
{
rehash(1);
rehash_ulimit();
dorehash = 0;
}