forked from Unidata/netcdf-c
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nc_sync.c
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nc_sync.c
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#define _XOPEN_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <netcdf.h>
#include "nc_sync.h"
int
nc_sync_sub(int ncid)
{
int everythingOK = 1;
FILE* pipe; /* IPC pipe to child process */
setbuf(stdout, NULL); /* unbuffer stdout */
/*
* Execute the child process.
*/
pipe = popen("nc_sync_child", "w");
if (pipe == NULL)
{
perror("popen() error");
everythingOK = 0;
}
else
{
double var[DIM2][DIM1][DIM0];
setbuf(pipe, NULL); /* unbuffer IPC pipe */
/*
* Initialize the variable array.
*/
{
int i = 0;
int n = DIM0*DIM1*DIM2;
double *dp = (double*)var;
for (i = 0; i < n; i++)
*dp++ = i;
}
/*
* Write the variable array.
*/
{
int i3;
int ncerr;
size_t start[NDIM] = {0, 0, 0, 0};
size_t count[NDIM] = {1, DIM2, DIM1, DIM0};
/*
* Loop over the unlimited dimension.
*/
for (i3 = 0; everythingOK && i3 < DIM3; ++i3)
{
int ivar;
start[0] = i3;
printf("PARENT: Writing %d\n", i3);
fflush(stdout);
/*
* Loop over the variables.
*/
for (ivar = 0; everythingOK && ivar < NVAR; ++ivar)
{
ncerr =
nc_put_vara_double(
ncid, ivar, start, count, (double*)var);
if (ncerr != NC_NOERR)
{
fprintf(
stderr, "nc_put_vara_double() error: %s\n",
nc_strerror(ncerr));
everythingOK = 0;
}
}
if (everythingOK)
{
/*
* Synchronize the netCDF file.
*/
puts("PARENT: Calling nc_sync()");
fflush(stdout);
ncerr = nc_sync(ncid);
if (ncerr != NC_NOERR)
{
fprintf(
stderr, "nc_sync() error: %s\n",
nc_strerror(ncerr));
everythingOK = 0;
}
else
{
/*
* Notify the child process.
*/
puts("PARENT: Notifying child");
fflush(stdout);
if (fwrite(&i3, sizeof(i3), 1, pipe) != 1)
{
perror("fwrite() error");
everythingOK = 0;
}
}
} /* variables written */
} /* unlimited dimension loop */
} /* write block */
fclose(pipe);
{
int status;
pid_t pid;
pid = wait(&status);
}
} /* successful popen() */
return everythingOK ? 0 : 1;
}
void
check_err(const int stat, const int line, const char *file)
{
if (stat != NC_NOERR) {
(void) fprintf(stderr, "line %d of %s: %s\n", line, file,
nc_strerror(stat));
exit(1);
}
}
int
main() { /* create nc_sync.nc */
int ncid; /* netCDF id */
/* dimension ids */
int dim0_dim;
int dim1_dim;
int dim2_dim;
int dim3_dim;
/* dimension lengths */
size_t dim0_len = 53;
size_t dim1_len = 67;
size_t dim2_len = 30;
size_t dim3_len = NC_UNLIMITED;
/* variable ids */
int var0_id;
int var1_id;
int var2_id;
int var3_id;
int var4_id;
int var5_id;
int var6_id;
int var7_id;
int var8_id;
int var9_id;
int var10_id;
int var11_id;
int var12_id;
int var13_id;
int var14_id;
int var15_id;
int var16_id;
int var17_id;
int var18_id;
int var19_id;
int var20_id;
int var21_id;
int var22_id;
int var23_id;
int var24_id;
int var25_id;
int var26_id;
int var27_id;
int var28_id;
int var29_id;
int var30_id;
int var31_id;
int var32_id;
int var33_id;
int var34_id;
int var35_id;
int var36_id;
/* rank (number of dimensions) for each variable */
# define RANK_var0 4
# define RANK_var1 4
# define RANK_var2 4
# define RANK_var3 4
# define RANK_var4 4
# define RANK_var5 4
# define RANK_var6 4
# define RANK_var7 4
# define RANK_var8 4
# define RANK_var9 4
# define RANK_var10 4
# define RANK_var11 4
# define RANK_var12 4
# define RANK_var13 4
# define RANK_var14 4
# define RANK_var15 4
# define RANK_var16 4
# define RANK_var17 4
# define RANK_var18 4
# define RANK_var19 4
# define RANK_var20 4
# define RANK_var21 4
# define RANK_var22 4
# define RANK_var23 4
# define RANK_var24 4
# define RANK_var25 4
# define RANK_var26 4
# define RANK_var27 4
# define RANK_var28 4
# define RANK_var29 4
# define RANK_var30 4
# define RANK_var31 4
# define RANK_var32 4
# define RANK_var33 4
# define RANK_var34 4
# define RANK_var35 4
# define RANK_var36 4
/* variable shapes */
int var0_dims[RANK_var0];
int var1_dims[RANK_var1];
int var2_dims[RANK_var2];
int var3_dims[RANK_var3];
int var4_dims[RANK_var4];
int var5_dims[RANK_var5];
int var6_dims[RANK_var6];
int var7_dims[RANK_var7];
int var8_dims[RANK_var8];
int var9_dims[RANK_var9];
int var10_dims[RANK_var10];
int var11_dims[RANK_var11];
int var12_dims[RANK_var12];
int var13_dims[RANK_var13];
int var14_dims[RANK_var14];
int var15_dims[RANK_var15];
int var16_dims[RANK_var16];
int var17_dims[RANK_var17];
int var18_dims[RANK_var18];
int var19_dims[RANK_var19];
int var20_dims[RANK_var20];
int var21_dims[RANK_var21];
int var22_dims[RANK_var22];
int var23_dims[RANK_var23];
int var24_dims[RANK_var24];
int var25_dims[RANK_var25];
int var26_dims[RANK_var26];
int var27_dims[RANK_var27];
int var28_dims[RANK_var28];
int var29_dims[RANK_var29];
int var30_dims[RANK_var30];
int var31_dims[RANK_var31];
int var32_dims[RANK_var32];
int var33_dims[RANK_var33];
int var34_dims[RANK_var34];
int var35_dims[RANK_var35];
int var36_dims[RANK_var36];
/* enter define mode */
int stat = nc_create("nc_sync.nc", NC_CLOBBER, &ncid);
check_err(stat,__LINE__,__FILE__);
/* define dimensions */
stat = nc_def_dim(ncid, "dim0", dim0_len, &dim0_dim);
check_err(stat,__LINE__,__FILE__);
stat = nc_def_dim(ncid, "dim1", dim1_len, &dim1_dim);
check_err(stat,__LINE__,__FILE__);
stat = nc_def_dim(ncid, "dim2", dim2_len, &dim2_dim);
check_err(stat,__LINE__,__FILE__);
stat = nc_def_dim(ncid, "dim3", dim3_len, &dim3_dim);
check_err(stat,__LINE__,__FILE__);
/* define variables */
var0_dims[0] = dim3_dim;
var0_dims[1] = dim2_dim;
var0_dims[2] = dim1_dim;
var0_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var0", NC_DOUBLE, RANK_var0, var0_dims, &var0_id);
check_err(stat,__LINE__,__FILE__);
var1_dims[0] = dim3_dim;
var1_dims[1] = dim2_dim;
var1_dims[2] = dim1_dim;
var1_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var1", NC_DOUBLE, RANK_var1, var1_dims, &var1_id);
check_err(stat,__LINE__,__FILE__);
var2_dims[0] = dim3_dim;
var2_dims[1] = dim2_dim;
var2_dims[2] = dim1_dim;
var2_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var2", NC_DOUBLE, RANK_var2, var2_dims, &var2_id);
check_err(stat,__LINE__,__FILE__);
var3_dims[0] = dim3_dim;
var3_dims[1] = dim2_dim;
var3_dims[2] = dim1_dim;
var3_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var3", NC_DOUBLE, RANK_var3, var3_dims, &var3_id);
check_err(stat,__LINE__,__FILE__);
var4_dims[0] = dim3_dim;
var4_dims[1] = dim2_dim;
var4_dims[2] = dim1_dim;
var4_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var4", NC_DOUBLE, RANK_var4, var4_dims, &var4_id);
check_err(stat,__LINE__,__FILE__);
var5_dims[0] = dim3_dim;
var5_dims[1] = dim2_dim;
var5_dims[2] = dim1_dim;
var5_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var5", NC_DOUBLE, RANK_var5, var5_dims, &var5_id);
check_err(stat,__LINE__,__FILE__);
var6_dims[0] = dim3_dim;
var6_dims[1] = dim2_dim;
var6_dims[2] = dim1_dim;
var6_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var6", NC_DOUBLE, RANK_var6, var6_dims, &var6_id);
check_err(stat,__LINE__,__FILE__);
var7_dims[0] = dim3_dim;
var7_dims[1] = dim2_dim;
var7_dims[2] = dim1_dim;
var7_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var7", NC_DOUBLE, RANK_var7, var7_dims, &var7_id);
check_err(stat,__LINE__,__FILE__);
var8_dims[0] = dim3_dim;
var8_dims[1] = dim2_dim;
var8_dims[2] = dim1_dim;
var8_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var8", NC_DOUBLE, RANK_var8, var8_dims, &var8_id);
check_err(stat,__LINE__,__FILE__);
var9_dims[0] = dim3_dim;
var9_dims[1] = dim2_dim;
var9_dims[2] = dim1_dim;
var9_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var9", NC_DOUBLE, RANK_var9, var9_dims, &var9_id);
check_err(stat,__LINE__,__FILE__);
var10_dims[0] = dim3_dim;
var10_dims[1] = dim2_dim;
var10_dims[2] = dim1_dim;
var10_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var10", NC_DOUBLE, RANK_var10, var10_dims, &var10_id);
check_err(stat,__LINE__,__FILE__);
var11_dims[0] = dim3_dim;
var11_dims[1] = dim2_dim;
var11_dims[2] = dim1_dim;
var11_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var11", NC_DOUBLE, RANK_var11, var11_dims, &var11_id);
check_err(stat,__LINE__,__FILE__);
var12_dims[0] = dim3_dim;
var12_dims[1] = dim2_dim;
var12_dims[2] = dim1_dim;
var12_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var12", NC_DOUBLE, RANK_var12, var12_dims, &var12_id);
check_err(stat,__LINE__,__FILE__);
var13_dims[0] = dim3_dim;
var13_dims[1] = dim2_dim;
var13_dims[2] = dim1_dim;
var13_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var13", NC_DOUBLE, RANK_var13, var13_dims, &var13_id);
check_err(stat,__LINE__,__FILE__);
var14_dims[0] = dim3_dim;
var14_dims[1] = dim2_dim;
var14_dims[2] = dim1_dim;
var14_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var14", NC_DOUBLE, RANK_var14, var14_dims, &var14_id);
check_err(stat,__LINE__,__FILE__);
var15_dims[0] = dim3_dim;
var15_dims[1] = dim2_dim;
var15_dims[2] = dim1_dim;
var15_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var15", NC_DOUBLE, RANK_var15, var15_dims, &var15_id);
check_err(stat,__LINE__,__FILE__);
var16_dims[0] = dim3_dim;
var16_dims[1] = dim2_dim;
var16_dims[2] = dim1_dim;
var16_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var16", NC_DOUBLE, RANK_var16, var16_dims, &var16_id);
check_err(stat,__LINE__,__FILE__);
var17_dims[0] = dim3_dim;
var17_dims[1] = dim2_dim;
var17_dims[2] = dim1_dim;
var17_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var17", NC_DOUBLE, RANK_var17, var17_dims, &var17_id);
check_err(stat,__LINE__,__FILE__);
var18_dims[0] = dim3_dim;
var18_dims[1] = dim2_dim;
var18_dims[2] = dim1_dim;
var18_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var18", NC_DOUBLE, RANK_var18, var18_dims, &var18_id);
check_err(stat,__LINE__,__FILE__);
var19_dims[0] = dim3_dim;
var19_dims[1] = dim2_dim;
var19_dims[2] = dim1_dim;
var19_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var19", NC_DOUBLE, RANK_var19, var19_dims, &var19_id);
check_err(stat,__LINE__,__FILE__);
var20_dims[0] = dim3_dim;
var20_dims[1] = dim2_dim;
var20_dims[2] = dim1_dim;
var20_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var20", NC_DOUBLE, RANK_var20, var20_dims, &var20_id);
check_err(stat,__LINE__,__FILE__);
var21_dims[0] = dim3_dim;
var21_dims[1] = dim2_dim;
var21_dims[2] = dim1_dim;
var21_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var21", NC_DOUBLE, RANK_var21, var21_dims, &var21_id);
check_err(stat,__LINE__,__FILE__);
var22_dims[0] = dim3_dim;
var22_dims[1] = dim2_dim;
var22_dims[2] = dim1_dim;
var22_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var22", NC_DOUBLE, RANK_var22, var22_dims, &var22_id);
check_err(stat,__LINE__,__FILE__);
var23_dims[0] = dim3_dim;
var23_dims[1] = dim2_dim;
var23_dims[2] = dim1_dim;
var23_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var23", NC_DOUBLE, RANK_var23, var23_dims, &var23_id);
check_err(stat,__LINE__,__FILE__);
var24_dims[0] = dim3_dim;
var24_dims[1] = dim2_dim;
var24_dims[2] = dim1_dim;
var24_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var24", NC_DOUBLE, RANK_var24, var24_dims, &var24_id);
check_err(stat,__LINE__,__FILE__);
var25_dims[0] = dim3_dim;
var25_dims[1] = dim2_dim;
var25_dims[2] = dim1_dim;
var25_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var25", NC_DOUBLE, RANK_var25, var25_dims, &var25_id);
check_err(stat,__LINE__,__FILE__);
var26_dims[0] = dim3_dim;
var26_dims[1] = dim2_dim;
var26_dims[2] = dim1_dim;
var26_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var26", NC_DOUBLE, RANK_var26, var26_dims, &var26_id);
check_err(stat,__LINE__,__FILE__);
var27_dims[0] = dim3_dim;
var27_dims[1] = dim2_dim;
var27_dims[2] = dim1_dim;
var27_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var27", NC_DOUBLE, RANK_var27, var27_dims, &var27_id);
check_err(stat,__LINE__,__FILE__);
var28_dims[0] = dim3_dim;
var28_dims[1] = dim2_dim;
var28_dims[2] = dim1_dim;
var28_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var28", NC_DOUBLE, RANK_var28, var28_dims, &var28_id);
check_err(stat,__LINE__,__FILE__);
var29_dims[0] = dim3_dim;
var29_dims[1] = dim2_dim;
var29_dims[2] = dim1_dim;
var29_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var29", NC_DOUBLE, RANK_var29, var29_dims, &var29_id);
check_err(stat,__LINE__,__FILE__);
var30_dims[0] = dim3_dim;
var30_dims[1] = dim2_dim;
var30_dims[2] = dim1_dim;
var30_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var30", NC_DOUBLE, RANK_var30, var30_dims, &var30_id);
check_err(stat,__LINE__,__FILE__);
var31_dims[0] = dim3_dim;
var31_dims[1] = dim2_dim;
var31_dims[2] = dim1_dim;
var31_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var31", NC_DOUBLE, RANK_var31, var31_dims, &var31_id);
check_err(stat,__LINE__,__FILE__);
var32_dims[0] = dim3_dim;
var32_dims[1] = dim2_dim;
var32_dims[2] = dim1_dim;
var32_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var32", NC_DOUBLE, RANK_var32, var32_dims, &var32_id);
check_err(stat,__LINE__,__FILE__);
var33_dims[0] = dim3_dim;
var33_dims[1] = dim2_dim;
var33_dims[2] = dim1_dim;
var33_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var33", NC_DOUBLE, RANK_var33, var33_dims, &var33_id);
check_err(stat,__LINE__,__FILE__);
var34_dims[0] = dim3_dim;
var34_dims[1] = dim2_dim;
var34_dims[2] = dim1_dim;
var34_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var34", NC_DOUBLE, RANK_var34, var34_dims, &var34_id);
check_err(stat,__LINE__,__FILE__);
var35_dims[0] = dim3_dim;
var35_dims[1] = dim2_dim;
var35_dims[2] = dim1_dim;
var35_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var35", NC_DOUBLE, RANK_var35, var35_dims, &var35_id);
check_err(stat,__LINE__,__FILE__);
var36_dims[0] = dim3_dim;
var36_dims[1] = dim2_dim;
var36_dims[2] = dim1_dim;
var36_dims[3] = dim0_dim;
stat = nc_def_var(ncid, "var36", NC_DOUBLE, RANK_var36, var36_dims, &var36_id);
check_err(stat,__LINE__,__FILE__);
/* leave define mode */
stat = nc_enddef (ncid);
check_err(stat,__LINE__,__FILE__);
nc_sync_sub(ncid);
stat = nc_close(ncid);
check_err(stat,__LINE__,__FILE__);
return 0;
}