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69 lines
1.8 KiB
69 lines
1.8 KiB
#ifndef __LINUX_UMH_H__ |
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#define __LINUX_UMH_H__ |
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#include <linux/gfp.h> |
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#include <linux/stddef.h> |
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#include <linux/errno.h> |
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#include <linux/compiler.h> |
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#include <linux/workqueue.h> |
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#include <linux/sysctl.h> |
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struct cred; |
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struct file; |
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#define UMH_NO_WAIT 0 /* don't wait at all */ |
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#define UMH_WAIT_EXEC 1 /* wait for the exec, but not the process */ |
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#define UMH_WAIT_PROC 2 /* wait for the process to complete */ |
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#define UMH_KILLABLE 4 /* wait for EXEC/PROC killable */ |
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struct subprocess_info { |
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struct work_struct work; |
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struct completion *complete; |
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const char *path; |
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char **argv; |
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char **envp; |
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int wait; |
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int retval; |
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int (*init)(struct subprocess_info *info, struct cred *new); |
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void (*cleanup)(struct subprocess_info *info); |
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void *data; |
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} __randomize_layout; |
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extern int |
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call_usermodehelper(const char *path, char **argv, char **envp, int wait); |
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extern struct subprocess_info * |
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call_usermodehelper_setup(const char *path, char **argv, char **envp, |
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gfp_t gfp_mask, |
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int (*init)(struct subprocess_info *info, struct cred *new), |
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void (*cleanup)(struct subprocess_info *), void *data); |
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extern int |
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call_usermodehelper_exec(struct subprocess_info *info, int wait); |
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extern struct ctl_table usermodehelper_table[]; |
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enum umh_disable_depth { |
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UMH_ENABLED = 0, |
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UMH_FREEZING, |
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UMH_DISABLED, |
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}; |
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extern int __usermodehelper_disable(enum umh_disable_depth depth); |
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extern void __usermodehelper_set_disable_depth(enum umh_disable_depth depth); |
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static inline int usermodehelper_disable(void) |
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{ |
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return __usermodehelper_disable(UMH_DISABLED); |
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} |
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static inline void usermodehelper_enable(void) |
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{ |
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__usermodehelper_set_disable_depth(UMH_ENABLED); |
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} |
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extern int usermodehelper_read_trylock(void); |
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extern long usermodehelper_read_lock_wait(long timeout); |
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extern void usermodehelper_read_unlock(void); |
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#endif /* __LINUX_UMH_H__ */
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