kern_exec.c (b8c526df70a4f68621e5dbdcc9cf1137219c8b6a) kern_exec.c (116734c4d17fa35e66385279e8e57e89e878c27d)
1/*
2 * Copyright (c) 1993, David Greenman
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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93 char *fname;
94 char **argv;
95 char **envv;
96};
97#endif
98
99/*
100 * execve() system call.
1/*
2 * Copyright (c) 1993, David Greenman
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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93 char *fname;
94 char **argv;
95 char **envv;
96};
97#endif
98
99/*
100 * execve() system call.
101 *
102 * MPSAFE
101 */
102int
103execve(p, uap)
104 struct proc *p;
105 register struct execve_args *uap;
106{
107 struct nameidata nd, *ndp;
108 struct ucred *newcred, *oldcred;

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128 imgp->interpreted = 0;
129 imgp->interpreter_name[0] = '\0';
130 imgp->auxargs = NULL;
131 imgp->vp = NULL;
132 imgp->firstpage = NULL;
133 imgp->ps_strings = 0;
134 imgp->auxarg_size = 0;
135
103 */
104int
105execve(p, uap)
106 struct proc *p;
107 register struct execve_args *uap;
108{
109 struct nameidata nd, *ndp;
110 struct ucred *newcred, *oldcred;

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130 imgp->interpreted = 0;
131 imgp->interpreter_name[0] = '\0';
132 imgp->auxargs = NULL;
133 imgp->vp = NULL;
134 imgp->firstpage = NULL;
135 imgp->ps_strings = 0;
136 imgp->auxarg_size = 0;
137
138 mtx_lock(&Giant);
139
136 /*
137 * Allocate temporary demand zeroed space for argument and
138 * environment strings
139 */
140 imgp->stringbase = (char *)kmem_alloc_wait(exec_map, ARG_MAX + PAGE_SIZE);
141 if (imgp->stringbase == NULL) {
142 error = ENOMEM;
143 goto exec_fail;

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440 ARG_MAX + PAGE_SIZE);
441
442 if (imgp->vp) {
443 NDFREE(ndp, NDF_ONLY_PNBUF);
444 vrele(imgp->vp);
445 }
446
447 if (error == 0)
140 /*
141 * Allocate temporary demand zeroed space for argument and
142 * environment strings
143 */
144 imgp->stringbase = (char *)kmem_alloc_wait(exec_map, ARG_MAX + PAGE_SIZE);
145 if (imgp->stringbase == NULL) {
146 error = ENOMEM;
147 goto exec_fail;

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444 ARG_MAX + PAGE_SIZE);
445
446 if (imgp->vp) {
447 NDFREE(ndp, NDF_ONLY_PNBUF);
448 vrele(imgp->vp);
449 }
450
451 if (error == 0)
448 return (0);
452 goto done2;
449
450exec_fail:
451 if (imgp->vmspace_destroyed) {
452 /* sorry, no more process anymore. exit gracefully */
453 exit1(p, W_EXITCODE(0, SIGABRT));
454 /* NOT REACHED */
453
454exec_fail:
455 if (imgp->vmspace_destroyed) {
456 /* sorry, no more process anymore. exit gracefully */
457 exit1(p, W_EXITCODE(0, SIGABRT));
458 /* NOT REACHED */
455 return(0);
456 } else {
457 return(error);
458 }
459 error = 0;
460 }
461done2:
462 mtx_unlock(&Giant);
463 return(error);
459}
460
461int
462exec_map_first_page(imgp)
463 struct image_params *imgp;
464{
465 int rv, i;
466 int initial_pagein;

--- 438 unchanged lines hidden --- 		464}
465
466int
467exec_map_first_page(imgp)
468 struct image_params *imgp;
469{
470 int rv, i;
471 int initial_pagein;

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