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bug fix for issue https://github.com/GlobalArrays/ga/issues/371 #372

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Merged
bjpalmer merged 1 commit into from
Aug 19, 2025
Merged

bug fix for issue https://github.com/GlobalArrays/ga/issues/371 #372

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9 changes: 5 additions & 4 deletions comex/src-mpi-pr/comex.c
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Original file line number Diff line number Diff line change
Expand Up @@ -7562,6 +7562,7 @@ STATIC void check_devshm(int fd, size_t size){
struct statfs ufs_statfs;
long newspace;
if (g_state.rank == (g_state.node_size -1)) return;
long ranks_pn = (g_state.node_size -1)*get_num_progress_ranks_per_node();
if (!devshm_initialized) {
fstatfs(fd, &ufs_statfs);
devshm_initialized = 1;
Expand All @@ -7570,11 +7571,11 @@ STATIC void check_devshm(int fd, size_t size){
// #define DEBUGSHM 1
#define CONVERT_TO_M 1048576
#ifdef DEBUGSHM
fprintf(stderr, "[%d] nodesize %d init /dev/shm size %ld bsize %ld nodesize %ld \n",
g_state.rank, g_state.node_size, devshm_fs_initial/CONVERT_TO_M, (long) ufs_statfs.f_bsize, (long) g_state.node_size);
fprintf(stderr, "[%d] ranks_pn %ld init /dev/shm size %ld bsize %ld nodesize %ld \n",
g_state.rank, ranks_pn, devshm_fs_initial/CONVERT_TO_M, (long) ufs_statfs.f_bsize, (long) g_state.node_size);
#endif
}
newspace = (long) ( size*(g_state.node_size -1));
newspace = (long) ( size*ranks_pn);
if(newspace>0){
fstatfs(fd, &ufs_statfs);
#ifdef DEBUGSHM
Expand Down Expand Up @@ -7613,7 +7614,7 @@ STATIC void count_open_fds(void) {
FILE *f = fopen("/proc/sys/fs/file-nr", "r");

long nfiles, unused, maxfiles;
fscanf(f, "%ld %ld %ld", &nfiles, &unused, &maxfiles);
if(!fscanf(f, "%ld %ld %ld", &nfiles, &unused, &maxfiles)) comex_error("count_open_fds: fscanf failed", -1);
#ifdef DEBUGSHM
if(nfiles % 1000 == 0) fprintf(stderr," %d: no. open files = %ld maxfiles = %ld\n", g_state.rank, nfiles, maxfiles);
#endif
Expand Down
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