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util/nvmutil: configurable eintr/eagain

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Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-14 16:04:56 +00:00
parent 2eb045927b
commit 026cbacbe2
1 changed files with 18 additions and 5 deletions
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util/nvmutil/nvmutil.c
+18 -5
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@@ -16,6 +16,8 @@
*/ */
/* /*
* I/O config (build-time)
*
* Regarding: * Regarding:
* Retries on zero-return. * Retries on zero-return.
* *
@@ -33,14 +35,27 @@
#ifndef MAX_ZERO_RW_RETRY #ifndef MAX_ZERO_RW_RETRY
#define MAX_ZERO_RW_RETRY 10 #define MAX_ZERO_RW_RETRY 10
#endif #endif
/* /*
* 0: portable pread/pwrite * 0: portable pread/pwrite
* 1: real pread/pwrite (thread-safe) * 1: real pread/pwrite (thread-safe)
* Pass this at build-time
*/ */
#ifndef HAVE_REAL_PREAD_PWRITE #ifndef HAVE_REAL_PREAD_PWRITE
#define HAVE_REAL_PREAD_PWRITE 0 #define HAVE_REAL_PREAD_PWRITE 0
#endif #endif
/*
* Configure whether to wait on
* EINTR on files, or EAGAIN on
* cmd cat (stdout).
*
* Pass these at build time.
*/
#ifndef LOOP_EAGAIN
#define LOOP_EAGAIN 1
#endif
#ifndef LOOP_EINTR
#define LOOP_EINTR 1
#endif
/* /*
* Major TODO: split this into multiple files. * Major TODO: split this into multiple files.
@@ -473,9 +488,7 @@ static const char *argv0;
#define ARGC_4 4 #define ARGC_4 4
#define NO_LOOP_EAGAIN 0 #define NO_LOOP_EAGAIN 0
#define LOOP_EAGAIN 1
#define NO_LOOP_EINTR 0 #define NO_LOOP_EINTR 0
#define LOOP_EINTR 1
enum { enum {
IO_READ, IO_READ,
@@ -636,8 +649,8 @@ typedef char bool_skip_checksum_write[(SKIP_CHECKSUM_WRITE==0)?1:-1];
typedef char bool_checksum_write[(CHECKSUM_WRITE==1)?1:-1]; typedef char bool_checksum_write[(CHECKSUM_WRITE==1)?1:-1];
typedef char bool_no_invert[(NO_INVERT==0)?1:-1]; typedef char bool_no_invert[(NO_INVERT==0)?1:-1];
typedef char bool_part_invert[(PART_INVERT==1)?1:-1]; typedef char bool_part_invert[(PART_INVERT==1)?1:-1];
typedef char bool_loop_eintr[(LOOP_EINTR==1)?1:-1]; typedef char bool_loop_eintr[(LOOP_EINTR==1||LOOP_EINTR==0)?1:-1];
typedef char bool_loop_eagain[(LOOP_EAGAIN==1)?1:-1]; typedef char bool_loop_eagain[(LOOP_EAGAIN==1||LOOP_EAGAIN==0)?1:-1];
typedef char bool_no_loop_eintr[(NO_LOOP_EINTR==0)?1:-1]; typedef char bool_no_loop_eintr[(NO_LOOP_EINTR==0)?1:-1];
typedef char bool_no_loop_eagain[(NO_LOOP_EAGAIN==0)?1:-1]; typedef char bool_no_loop_eagain[(NO_LOOP_EAGAIN==0)?1:-1];